diff --git a/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php b/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
index 7449e23..06b7c7f 100644
--- a/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
+++ b/src/Plugin/Field/FieldWidget/EntityReferenceBrowserWidget.php
@@ -600,6 +600,11 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
     $entity_type = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type');
     $entity_storage = $this->entityTypeManager->getStorage($entity_type);
 
+    // Find IDs from target_id element (it stores selected entities in form).
+    if (($targetIdEntities = $this->getEntitiesByTargetId($element, $form_state)) !== FALSE) {
+      return $targetIdEntities;
+    }
+
     // Determine if we're submitting and if submit came from this widget.
     $is_relevant_submit = FALSE;
     if (($trigger = $form_state->getTriggeringElement())) {
@@ -637,12 +642,12 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
     // IDs from a previous request might be saved in the form state.
     elseif ($form_state->has([
       'entity_browser_widget',
-      $this->getFormStateKey($items)
+      $this->getFormStateKey($items),
     ])
     ) {
       $stored_ids = $form_state->get([
         'entity_browser_widget',
-        $this->getFormStateKey($items)
+        $this->getFormStateKey($items),
       ]);
       $indexed_entities = $entity_storage->loadMultiple($stored_ids);
 
@@ -672,4 +677,42 @@ class EntityReferenceBrowserWidget extends WidgetBase implements ContainerFactor
     }
   }
 
+  /**
+   * Get selected elements from target_id element on form.
+   *
+   * @param array $element
+   *   The form element.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The form state.
+   *
+   * @return \Drupal\Core\Entity\EntityInterface[]|false
+   *   Return list of entities if they are available or false.
+   */
+  protected function getEntitiesByTargetId(array $element, FormStateInterface $form_state) {
+    $targetIdElementPath = array_merge(
+      $element['#field_parents'],
+      [
+        $this->fieldDefinition->getName(),
+        'target_id',
+      ]
+    );
+
+    $currValue = $form_state->getUserInput();
+    foreach ($targetIdElementPath as $elementIdentifier) {
+      if (!isset($currValue[$elementIdentifier])) {
+        return FALSE;
+      }
+
+      $currValue = $currValue[$elementIdentifier];
+    }
+
+    if (!is_array($currValue)) {
+      $entities = EntityBrowserElement::processEntityIds($currValue);
+
+      return $entities;
+    }
+
+    return FALSE;
+  }
+
 }
diff --git a/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.media.ief_media_bundle.default.yml b/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.media.ief_media_bundle.default.yml
new file mode 100644
index 0000000..6288723
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.media.ief_media_bundle.default.yml
@@ -0,0 +1,35 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.media.ief_media_bundle.ief_media_bundle_file_field
+    - media_entity.bundle.ief_media_bundle
+  module:
+    - entity_browser
+id: media.ief_media_bundle.default
+targetEntityType: media
+bundle: ief_media_bundle
+mode: default
+content:
+  ief_media_bundle_file_field:
+    weight: 11
+    settings:
+      entity_browser: ief_entity_browser_file
+      field_widget_display: label
+      field_widget_edit: true
+      field_widget_remove: true
+      open: true
+      selection_mode: selection_edit
+      field_widget_display_settings: {  }
+    third_party_settings: {  }
+    type: entity_browser_entity_reference
+  name:
+    type: string_textfield
+    weight: -5
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+hidden:
+  created: true
+  uid: true
diff --git a/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.node.ief_content.default.yml b/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.node.ief_content.default.yml
new file mode 100644
index 0000000..6d1e151
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/core.entity_form_display.node.ief_content.default.yml
@@ -0,0 +1,41 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.node.ief_content.ief_media_field
+    - node.type.ief_content
+  module:
+    - entity_browser_entity_form
+    - inline_entity_form
+id: node.ief_content.default
+targetEntityType: node
+bundle: ief_content
+mode: default
+content:
+  ief_media_field:
+    weight: 31
+    settings:
+      form_mode: default
+      override_labels: true
+      label_singular: 'Test File Media'
+      label_plural: ''
+      allow_new: true
+      allow_existing: true
+      match_operator: CONTAINS
+    third_party_settings:
+      entity_browser_entity_form:
+        entity_browser_id: _none
+    type: inline_entity_form_complex
+  title:
+    type: string_textfield
+    weight: -5
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+hidden:
+  created: true
+  path: true
+  promote: true
+  sticky: true
+  uid: true
diff --git a/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.media.ief_media_bundle.default.yml b/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.media.ief_media_bundle.default.yml
new file mode 100644
index 0000000..f42a851
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.media.ief_media_bundle.default.yml
@@ -0,0 +1,53 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.media.ief_media_bundle.ief_media_bundle_file_field
+    - image.style.thumbnail
+    - media_entity.bundle.ief_media_bundle
+  module:
+    - image
+    - user
+id: media.ief_media_bundle.default
+targetEntityType: media
+bundle: ief_media_bundle
+mode: default
+content:
+  created:
+    label: hidden
+    type: timestamp
+    weight: 0
+    settings:
+      date_format: medium
+      custom_date_format: ''
+      timezone: ''
+    third_party_settings: {  }
+  ief_media_bundle_file_field:
+    weight: 2
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    type: entity_reference_label
+  name:
+    label: hidden
+    type: string
+    weight: -5
+    settings:
+      link_to_entity: false
+    third_party_settings: {  }
+  thumbnail:
+    type: image
+    weight: 1
+    label: hidden
+    settings:
+      image_style: thumbnail
+      image_link: ''
+    third_party_settings: {  }
+  uid:
+    label: hidden
+    type: author
+    weight: 0
+    settings: {  }
+    third_party_settings: {  }
+hidden: {  }
diff --git a/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.node.ief_content.default.yml b/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.node.ief_content.default.yml
new file mode 100644
index 0000000..f4a7919
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/core.entity_view_display.node.ief_content.default.yml
@@ -0,0 +1,22 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.field.node.ief_content.ief_media_field
+    - node.type.ief_content
+  module:
+    - user
+id: node.ief_content.default
+targetEntityType: node
+bundle: ief_content
+mode: default
+content:
+  ief_media_field:
+    weight: 101
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    type: entity_reference_label
+hidden:
+  links: true
diff --git a/tests/modules/entity_browser_ief_test/config/install/entity_browser.browser.ief_entity_browser_file.yml b/tests/modules/entity_browser_ief_test/config/install/entity_browser.browser.ief_entity_browser_file.yml
new file mode 100644
index 0000000..e94e145
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/entity_browser.browser.ief_entity_browser_file.yml
@@ -0,0 +1,40 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - views
+name: ief_entity_browser_file
+label: 'Test entity browser file'
+display: iframe
+display_configuration:
+  width: '650'
+  height: '500'
+  link_text: 'Select entities'
+  auto_open: false
+selection_display: multi_step_display
+selection_display_configuration:
+  entity_type: file
+  display: label
+  display_settings: {  }
+  select_text: 'Use selected'
+  selection_hidden: false
+widget_selector: tabs
+widget_selector_configuration: {  }
+widgets:
+  2dc1ab07-2f8f-42c9-aab7-7eef7f8b7d87:
+    settings:
+      upload_location: 'public://'
+      submit_text: 'Select files'
+    uuid: 2dc1ab07-2f8f-42c9-aab7-7eef7f8b7d87
+    weight: -9
+    label: upload
+    id: upload
+  774798f1-5ec5-4b63-84bd-124cd51ec07d:
+    settings:
+      view: ief_view_files
+      view_display: entity_browser_1
+      submit_text: 'Select entities'
+    uuid: 774798f1-5ec5-4b63-84bd-124cd51ec07d
+    weight: -10
+    label: view
+    id: view
diff --git a/tests/modules/entity_browser_ief_test/config/install/field.field.media.ief_media_bundle.ief_media_bundle_file_field.yml b/tests/modules/entity_browser_ief_test/config/install/field.field.media.ief_media_bundle.ief_media_bundle_file_field.yml
new file mode 100644
index 0000000..b6c1846
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/field.field.media.ief_media_bundle.ief_media_bundle_file_field.yml
@@ -0,0 +1,24 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.media.ief_media_bundle_file_field
+    - media_entity.bundle.ief_media_bundle
+id: media.ief_media_bundle.ief_media_bundle_file_field
+field_name: ief_media_bundle_file_field
+entity_type: media
+bundle: ief_media_bundle
+label: files
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:file'
+  handler_settings:
+    target_bundles: null
+    sort:
+      field: _none
+    auto_create: false
+field_type: entity_reference
diff --git a/tests/modules/entity_browser_ief_test/config/install/field.field.node.ief_content.ief_media_field.yml b/tests/modules/entity_browser_ief_test/config/install/field.field.node.ief_content.ief_media_field.yml
new file mode 100644
index 0000000..656a830
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/field.field.node.ief_content.ief_media_field.yml
@@ -0,0 +1,27 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.ief_media_field
+    - media_entity.bundle.ief_media_bundle
+    - node.type.ief_content
+id: node.ief_content.ief_media_field
+field_name: ief_media_field
+entity_type: node
+bundle: ief_content
+label: Media
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:media'
+  handler_settings:
+    target_bundles:
+      ief_media_bundle: ief_media_bundle
+    sort:
+      field: _none
+    auto_create: false
+    auto_create_bundle: ''
+field_type: entity_reference
diff --git a/tests/modules/entity_browser_ief_test/config/install/field.storage.media.ief_media_bundle_file_field.yml b/tests/modules/entity_browser_ief_test/config/install/field.storage.media.ief_media_bundle_file_field.yml
new file mode 100644
index 0000000..b8bcb31
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/field.storage.media.ief_media_bundle_file_field.yml
@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - file
+    - media_entity
+id: media.ief_media_bundle_file_field
+field_name: ief_media_bundle_file_field
+entity_type: media
+type: entity_reference
+settings:
+  target_type: file
+module: core
+locked: false
+cardinality: -1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/entity_browser_ief_test/config/install/field.storage.node.ief_media_field.yml b/tests/modules/entity_browser_ief_test/config/install/field.storage.node.ief_media_field.yml
new file mode 100644
index 0000000..bf54bd1
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/field.storage.node.ief_media_field.yml
@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - media_entity
+    - node
+id: node.ief_media_field
+field_name: ief_media_field
+entity_type: node
+type: entity_reference
+settings:
+  target_type: media
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/tests/modules/entity_browser_ief_test/config/install/media_entity.bundle.ief_media_bundle.yml b/tests/modules/entity_browser_ief_test/config/install/media_entity.bundle.ief_media_bundle.yml
new file mode 100644
index 0000000..8bbfb68
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/media_entity.bundle.ief_media_bundle.yml
@@ -0,0 +1,11 @@
+langcode: en
+status: true
+dependencies: {  }
+id: ief_media_bundle
+label: 'Test File Bundle'
+description: ''
+type: generic
+queue_thumbnail_downloads: false
+new_revision: false
+type_configuration: {  }
+field_map: {  }
diff --git a/tests/modules/entity_browser_ief_test/config/install/node.type.ief_content.yml b/tests/modules/entity_browser_ief_test/config/install/node.type.ief_content.yml
new file mode 100644
index 0000000..43f311a
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/node.type.ief_content.yml
@@ -0,0 +1,9 @@
+langcode: en
+status: true
+name: 'Test IEF Content'
+type: ief_content
+description: 'Test content type for problem with inconsistent state of inline entity form entity browser field widget.'
+help: ''
+new_revision: false
+preview_mode: 1
+display_submitted: true
diff --git a/tests/modules/entity_browser_ief_test/config/install/views.view.ief_view_files.yml b/tests/modules/entity_browser_ief_test/config/install/views.view.ief_view_files.yml
new file mode 100644
index 0000000..5b4acea
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/config/install/views.view.ief_view_files.yml
@@ -0,0 +1,244 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - entity_browser
+    - file
+    - user
+id: ief_view_files
+label: 'Files entity browser'
+module: views
+description: ''
+tag: ''
+base_table: file_managed
+base_field: fid
+core: 8.x
+display:
+  default:
+    display_plugin: default
+    id: default
+    display_title: Master
+    position: 0
+    display_options:
+      access:
+        type: perm
+        options:
+          perm: 'access content'
+      cache:
+        type: tag
+        options: {  }
+      query:
+        type: views_query
+        options:
+          disable_sql_rewrite: false
+          distinct: false
+          replica: false
+          query_comment: ''
+          query_tags: {  }
+      exposed_form:
+        type: basic
+        options:
+          submit_button: Apply
+          reset_button: false
+          reset_button_label: Reset
+          exposed_sorts_label: 'Sort by'
+          expose_sort_order: true
+          sort_asc_label: Asc
+          sort_desc_label: Desc
+      pager:
+        type: mini
+        options:
+          items_per_page: 10
+          offset: 0
+          id: 0
+          total_pages: null
+          expose:
+            items_per_page: false
+            items_per_page_label: 'Items per page'
+            items_per_page_options: '5, 10, 25, 50'
+            items_per_page_options_all: false
+            items_per_page_options_all_label: '- All -'
+            offset: false
+            offset_label: Offset
+          tags:
+            previous: ‹‹
+            next: ››
+      style:
+        type: table
+        options:
+          grouping: {  }
+          row_class: ''
+          default_row_class: true
+          override: true
+          sticky: false
+          caption: ''
+          summary: ''
+          description: ''
+          columns:
+            entity_browser_select: entity_browser_select
+            filename: filename
+          info:
+            entity_browser_select:
+              align: ''
+              separator: ''
+              empty_column: false
+              responsive: ''
+            filename:
+              sortable: false
+              default_sort_order: asc
+              align: ''
+              separator: ''
+              empty_column: false
+              responsive: ''
+          default: '-1'
+          empty_table: false
+      row:
+        type: fields
+        options:
+          inline: {  }
+          separator: ''
+          hide_empty: false
+          default_field_elements: true
+      fields:
+        entity_browser_select:
+          id: entity_browser_select
+          table: file_managed
+          field: entity_browser_select
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: 'Entity browser bulk select form'
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          entity_type: file
+          plugin_id: entity_browser_select
+        filename:
+          id: filename
+          table: file_managed
+          field: filename
+          entity_type: file
+          entity_field: filename
+          label: ''
+          alter:
+            alter_text: false
+            make_link: false
+            absolute: false
+            trim: false
+            word_boundary: false
+            ellipsis: false
+            strip_tags: false
+            html: false
+          hide_empty: false
+          empty_zero: false
+          plugin_id: field
+          type: file_link
+          relationship: none
+          group_type: group
+          admin_label: ''
+          exclude: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_alter_empty: true
+          click_sort_column: value
+          settings: {  }
+          group_column: value
+          group_columns: {  }
+          group_rows: true
+          delta_limit: 0
+          delta_offset: 0
+          delta_reversed: false
+          delta_first_last: false
+          multi_type: separator
+          separator: ', '
+          field_api_classes: false
+      filters: {  }
+      sorts:
+        created:
+          id: created
+          table: file_managed
+          field: created
+          order: DESC
+          entity_type: file
+          entity_field: created
+          plugin_id: date
+          relationship: none
+          group_type: group
+          admin_label: ''
+          exposed: false
+          expose:
+            label: ''
+          granularity: second
+      header: {  }
+      footer: {  }
+      empty: {  }
+      relationships: {  }
+      arguments: {  }
+      display_extenders: {  }
+    cache_metadata:
+      max-age: 0
+      contexts:
+        - 'languages:language_content'
+        - 'languages:language_interface'
+        - url.query_args
+        - user.permissions
+      tags: {  }
+  entity_browser_1:
+    display_plugin: entity_browser
+    id: entity_browser_1
+    display_title: 'Entity browser'
+    position: 1
+    display_options:
+      display_extenders: {  }
+    cache_metadata:
+      max-age: 0
+      contexts:
+        - 'languages:language_content'
+        - 'languages:language_interface'
+        - url.query_args
+        - user.permissions
+      tags: {  }
diff --git a/tests/modules/entity_browser_ief_test/entity_browser_ief_test.info.yml b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.info.yml
new file mode 100644
index 0000000..be3a3f3
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.info.yml
@@ -0,0 +1,12 @@
+name: 'Test IEF'
+type: module
+description: 'Test Inline Entity Form Integration'
+core: 8.x
+package: Testing
+version: VERSION
+dependencies:
+  - file
+  - entity_browser
+  - entity_browser_entity_form 
+  - media_entity
+  - inline_entity_form
diff --git a/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml
new file mode 100644
index 0000000..8bdedd0
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.libraries.yml
@@ -0,0 +1,7 @@
+entity_browser_ief_test_simulate_jquery:
+  version: VERSION
+  js:
+    js/jquery.simulate.js: {}
+  dependencies:
+    - core/jquery
+    - core/drupal
\ No newline at end of file
diff --git a/tests/modules/entity_browser_ief_test/entity_browser_ief_test.module b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.module
new file mode 100644
index 0000000..121e1d2
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/entity_browser_ief_test.module
@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @file
+ * Contains hooks for Inline entity form JavaScript tests.
+ */
+
+/**
+ * Add jQuery library to simulate actions.
+ */
+function entity_browser_ief_test_page_attachments(array &$page) {
+  $page['#attached']['library'][] = 'entity_browser_ief_test/entity_browser_ief_test_simulate_jquery';
+}
diff --git a/tests/modules/entity_browser_ief_test/js/jquery.simulate.js b/tests/modules/entity_browser_ief_test/js/jquery.simulate.js
new file mode 100644
index 0000000..75d9b67
--- /dev/null
+++ b/tests/modules/entity_browser_ief_test/js/jquery.simulate.js
@@ -0,0 +1,331 @@
+ /*!
+ * jQuery Simulate v@VERSION - simulate browser mouse and keyboard events
+ * https://github.com/jquery/jquery-simulate
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * Date: @DATE
+ */
+
+;(function( $, undefined ) {
+
+var rkeyEvent = /^key/,
+	rmouseEvent = /^(?:mouse|contextmenu)|click/;
+
+$.fn.simulate = function( type, options ) {
+	return this.each(function() {
+		new $.simulate( this, type, options );
+	});
+};
+
+$.simulate = function( elem, type, options ) {
+	var method = $.camelCase( "simulate-" + type );
+
+	this.target = elem;
+	this.options = options;
+
+	if ( this[ method ] ) {
+		this[ method ]();
+	} else {
+		this.simulateEvent( elem, type, options );
+	}
+};
+
+$.extend( $.simulate, {
+
+	keyCode: {
+		BACKSPACE: 8,
+		COMMA: 188,
+		DELETE: 46,
+		DOWN: 40,
+		END: 35,
+		ENTER: 13,
+		ESCAPE: 27,
+		HOME: 36,
+		LEFT: 37,
+		NUMPAD_ADD: 107,
+		NUMPAD_DECIMAL: 110,
+		NUMPAD_DIVIDE: 111,
+		NUMPAD_ENTER: 108,
+		NUMPAD_MULTIPLY: 106,
+		NUMPAD_SUBTRACT: 109,
+		PAGE_DOWN: 34,
+		PAGE_UP: 33,
+		PERIOD: 190,
+		RIGHT: 39,
+		SPACE: 32,
+		TAB: 9,
+		UP: 38
+	},
+
+	buttonCode: {
+		LEFT: 0,
+		MIDDLE: 1,
+		RIGHT: 2
+	}
+});
+
+$.extend( $.simulate.prototype, {
+
+	simulateEvent: function( elem, type, options ) {
+		var event = this.createEvent( type, options );
+		this.dispatchEvent( elem, type, event, options );
+	},
+
+	createEvent: function( type, options ) {
+		if ( rkeyEvent.test( type ) ) {
+			return this.keyEvent( type, options );
+		}
+
+		if ( rmouseEvent.test( type ) ) {
+			return this.mouseEvent( type, options );
+		}
+	},
+
+	mouseEvent: function( type, options ) {
+		var event, eventDoc, doc, body;
+		options = $.extend({
+			bubbles: true,
+			cancelable: (type !== "mousemove"),
+			view: window,
+			detail: 0,
+			screenX: 0,
+			screenY: 0,
+			clientX: 1,
+			clientY: 1,
+			ctrlKey: false,
+			altKey: false,
+			shiftKey: false,
+			metaKey: false,
+			button: 0,
+			relatedTarget: undefined
+		}, options );
+
+		if ( document.createEvent ) {
+			event = document.createEvent( "MouseEvents" );
+			event.initMouseEvent( type, options.bubbles, options.cancelable,
+				options.view, options.detail,
+				options.screenX, options.screenY, options.clientX, options.clientY,
+				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
+				options.button, options.relatedTarget || document.body.parentNode );
+
+			// IE 9+ creates events with pageX and pageY set to 0.
+			// Trying to modify the properties throws an error,
+			// so we define getters to return the correct values.
+			if ( event.pageX === 0 && event.pageY === 0 && Object.defineProperty ) {
+				eventDoc = event.relatedTarget.ownerDocument || document;
+				doc = eventDoc.documentElement;
+				body = eventDoc.body;
+
+				Object.defineProperty( event, "pageX", {
+					get: function() {
+						return options.clientX +
+							( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -
+							( doc && doc.clientLeft || body && body.clientLeft || 0 );
+					}
+				});
+				Object.defineProperty( event, "pageY", {
+					get: function() {
+						return options.clientY +
+							( doc && doc.scrollTop || body && body.scrollTop || 0 ) -
+							( doc && doc.clientTop || body && body.clientTop || 0 );
+					}
+				});
+			}
+		} else if ( document.createEventObject ) {
+			event = document.createEventObject();
+			$.extend( event, options );
+			// standards event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ff974877(v=vs.85).aspx
+			// old IE event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ms533544(v=vs.85).aspx
+			// so we actually need to map the standard back to oldIE
+			event.button = {
+				0: 1,
+				1: 4,
+				2: 2
+			}[ event.button ] || ( event.button === -1 ? 0 : event.button );
+		}
+
+		return event;
+	},
+
+	keyEvent: function( type, options ) {
+		var event;
+		options = $.extend({
+			bubbles: true,
+			cancelable: true,
+			view: window,
+			ctrlKey: false,
+			altKey: false,
+			shiftKey: false,
+			metaKey: false,
+			keyCode: 0,
+			charCode: undefined
+		}, options );
+
+		if ( document.createEvent ) {
+			try {
+				event = document.createEvent( "KeyEvents" );
+				event.initKeyEvent( type, options.bubbles, options.cancelable, options.view,
+					options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
+					options.keyCode, options.charCode );
+			// initKeyEvent throws an exception in WebKit
+			// see: http://stackoverflow.com/questions/6406784/initkeyevent-keypress-only-works-in-firefox-need-a-cross-browser-solution
+			// and also https://bugs.webkit.org/show_bug.cgi?id=13368
+			// fall back to a generic event until we decide to implement initKeyboardEvent
+			} catch( err ) {
+				event = document.createEvent( "Events" );
+				event.initEvent( type, options.bubbles, options.cancelable );
+				$.extend( event, {
+					view: options.view,
+					ctrlKey: options.ctrlKey,
+					altKey: options.altKey,
+					shiftKey: options.shiftKey,
+					metaKey: options.metaKey,
+					keyCode: options.keyCode,
+					charCode: options.charCode
+				});
+			}
+		} else if ( document.createEventObject ) {
+			event = document.createEventObject();
+			$.extend( event, options );
+		}
+
+		if ( !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() ) || (({}).toString.call( window.opera ) === "[object Opera]") ) {
+			event.keyCode = (options.charCode > 0) ? options.charCode : options.keyCode;
+			event.charCode = undefined;
+		}
+
+		return event;
+	},
+
+	dispatchEvent: function( elem, type, event ) {
+		if ( elem.dispatchEvent ) {
+			elem.dispatchEvent( event );
+		} else if ( type === "click" && elem.click && elem.nodeName.toLowerCase() === "input" ) {
+			elem.click();
+		} else if ( elem.fireEvent ) {
+			elem.fireEvent( "on" + type, event );
+		}
+	},
+
+	simulateFocus: function() {
+		var focusinEvent,
+			triggered = false,
+			element = $( this.target );
+
+		function trigger() {
+			triggered = true;
+		}
+
+		element.bind( "focus", trigger );
+		element[ 0 ].focus();
+
+		if ( !triggered ) {
+			focusinEvent = $.Event( "focusin" );
+			focusinEvent.preventDefault();
+			element.trigger( focusinEvent );
+			element.triggerHandler( "focus" );
+		}
+		element.unbind( "focus", trigger );
+	},
+
+	simulateBlur: function() {
+		var focusoutEvent,
+			triggered = false,
+			element = $( this.target );
+
+		function trigger() {
+			triggered = true;
+		}
+
+		element.bind( "blur", trigger );
+		element[ 0 ].blur();
+
+		// blur events are async in IE
+		setTimeout(function() {
+			// IE won't let the blur occur if the window is inactive
+			if ( element[ 0 ].ownerDocument.activeElement === element[ 0 ] ) {
+				element[ 0 ].ownerDocument.body.focus();
+			}
+
+			// Firefox won't trigger events if the window is inactive
+			// IE doesn't trigger events if we had to manually focus the body
+			if ( !triggered ) {
+				focusoutEvent = $.Event( "focusout" );
+				focusoutEvent.preventDefault();
+				element.trigger( focusoutEvent );
+				element.triggerHandler( "blur" );
+			}
+			element.unbind( "blur", trigger );
+		}, 1 );
+	}
+});
+
+
+
+/** complex events **/
+
+function findCenter( elem ) {
+	var offset,
+		document = $( elem.ownerDocument );
+	elem = $( elem );
+	offset = elem.offset();
+
+	return {
+		x: offset.left + elem.outerWidth() / 2 - document.scrollLeft(),
+		y: offset.top + elem.outerHeight() / 2 - document.scrollTop()
+	};
+}
+
+function findCorner( elem ) {
+	var offset,
+		document = $( elem.ownerDocument );
+	elem = $( elem );
+	offset = elem.offset();
+
+	return {
+		x: offset.left - document.scrollLeft(),
+		y: offset.top - document.scrollTop()
+	};
+}
+
+$.extend( $.simulate.prototype, {
+	simulateDrag: function() {
+		var i = 0,
+			target = this.target,
+			eventDoc = target.ownerDocument,
+			options = this.options,
+			center = options.handle === "corner" ? findCorner( target ) : findCenter( target ),
+			x = Math.floor( center.x ),
+			y = Math.floor( center.y ),
+			coord = { clientX: x, clientY: y },
+			dx = options.dx || ( options.x !== undefined ? options.x - x : 0 ),
+			dy = options.dy || ( options.y !== undefined ? options.y - y : 0 ),
+			moves = options.moves || 3;
+
+		this.simulateEvent( target, "mousedown", coord );
+
+		for ( ; i < moves ; i++ ) {
+			x += dx / moves;
+			y += dy / moves;
+
+			coord = {
+				clientX: Math.round( x ),
+				clientY: Math.round( y )
+			};
+
+			this.simulateEvent( eventDoc, "mousemove", coord );
+		}
+
+		if ( $.contains( eventDoc, target ) ) {
+			this.simulateEvent( target, "mouseup", coord );
+			this.simulateEvent( target, "click", coord );
+		} else {
+			this.simulateEvent( eventDoc, "mouseup", coord );
+		}
+	}
+});
+
+})( jQuery );
diff --git a/tests/src/FunctionalJavascript/EntityBrowserJavascriptTestBase.php b/tests/src/FunctionalJavascript/EntityBrowserJavascriptTestBase.php
index 47357a4..4f4aa15 100644
--- a/tests/src/FunctionalJavascript/EntityBrowserJavascriptTestBase.php
+++ b/tests/src/FunctionalJavascript/EntityBrowserJavascriptTestBase.php
@@ -34,6 +34,17 @@ abstract class EntityBrowserJavascriptTestBase extends JavascriptTestBase {
   ];
 
   /**
+   * Permissions for user that will be logged-in for test.
+   *
+   * @var array
+   */
+  protected static $userPermissions = [
+    'access test_entity_browser_file entity browser pages',
+    'create article content',
+    'access content',
+  ];
+
+  /**
    * {@inheritdoc}
    */
   protected function setUp() {
@@ -73,11 +84,7 @@ abstract class EntityBrowserJavascriptTestBase extends JavascriptTestBase {
       ],
     ])->save();
 
-    $account = $this->drupalCreateUser([
-      'access test_entity_browser_file entity browser pages',
-      'create article content',
-      'access content',
-    ]);
+    $account = $this->drupalCreateUser(static::$userPermissions);
     $this->drupalLogin($account);
   }
 
@@ -139,17 +146,20 @@ abstract class EntityBrowserJavascriptTestBase extends JavascriptTestBase {
    *
    * @param string $name
    *   The name of the image.
+   * @param string $extension
+   *   File extension.
    *
    * @return \Drupal\file\FileInterface
    *   Returns an image.
    */
-  protected function createFile($name) {
-    file_put_contents('public://' . $name . '.jpg', $this->randomMachineName());
+  protected function createFile($name, $extension = 'jpg') {
+    file_put_contents('public://' . $name . '.' . $extension, $this->randomMachineName());
 
     $image = File::create([
-      'filename' => $name . '.jpg',
-      'uri' => 'public://' . $name . '.jpg',
+      'filename' => $name . '.' . $extension,
+      'uri' => 'public://' . $name . '.' . $extension,
     ]);
+    $image->setPermanent();
     $image->save();
 
     return $image;
diff --git a/tests/src/FunctionalJavascript/InlineEntityFormTest.php b/tests/src/FunctionalJavascript/InlineEntityFormTest.php
new file mode 100644
index 0000000..04380c3
--- /dev/null
+++ b/tests/src/FunctionalJavascript/InlineEntityFormTest.php
@@ -0,0 +1,204 @@
+<?php
+
+namespace Drupal\Tests\entity_browser\FunctionalJavascript;
+
+/**
+ * Test for integration of entity browser and inline entity form.
+ *
+ * @group entity_browser
+ *
+ * @package Drupal\Tests\entity_browser\FunctionalJavascript
+ */
+class InlineEntityFormTest extends EntityBrowserJavascriptTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'ctools',
+    'views',
+    'block',
+    'node',
+    'file',
+    'image',
+    'field_ui',
+    'views_ui',
+    'system',
+    'node',
+    'inline_entity_form',
+    'entity',
+    'entity_browser_ief_test',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $userPermissions = [
+    'create media',
+    'update media',
+    'access ief_entity_browser_file entity browser pages',
+    'access content',
+    'create ief_content content',
+    'edit any ief_content content',
+  ];
+
+  /**
+   * Check that selection state in entity browser Inline Entity Form.
+   */
+  public function testEntityBrowserInsideInlineEntityForm() {
+
+    $this->createFile('test_file1');
+    $this->createFile('test_file2');
+    $this->createFile('test_file3');
+
+    $this->drupalGet('node/add/ief_content');
+    $page = $this->getSession()->getPage();
+
+    $page->fillField('Title', 'Test IEF Title');
+    $page->pressButton('Add new Test File Media');
+
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->fillField('Media name', 'Test Bundle Media');
+    $page->clickLink('Select entities');
+
+    $this->getSession()
+      ->switchToIFrame('entity_browser_iframe_ief_entity_browser_file');
+    $page->checkField('entity_browser_select[file:1]');
+    $page->checkField('entity_browser_select[file:2]');
+
+    $page->pressButton('Select entities');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Use selected');
+    $this->getSession()->switchToIFrame();
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Create Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Save');
+
+    $this->drupalGet('node/1/edit');
+    $page = $this->getSession()->getPage();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Test reorder of elements.
+    $this->getSession()
+      ->getDriver()
+      ->executeScript('jQuery(\'[data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current-items-0"]\').simulate("drag", { moves: 1, dx: 150, dy: 0 });');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Update Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Check that element on second position is test_file1 (file:1).
+    $secondElement = $page->find('xpath', '//div[@data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current"]/div[2]');
+    if (empty($secondElement)) {
+      throw new \Exception('Element is not found.');
+    }
+    $this->assertSame('file:1', $secondElement->getAttribute('data-entity-id'));
+
+    // Test remove of element.
+    $page->pressButton('ief_media_bundle_file_field_remove_1_1');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Update Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Check that remote button does not exist for already removed entity.
+    $this->assertSession()
+      ->elementNotExists('css', '[name="ief_media_bundle_file_field_remove_1_1"]');
+
+    // Test add inside Entity Browser.
+    $page->clickLink('Select entities');
+
+    $this->getSession()
+      ->switchToIFrame('entity_browser_iframe_ief_entity_browser_file');
+    $page->checkField('entity_browser_select[file:3]');
+
+    $page->pressButton('Select entities');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Use selected');
+    $this->getSession()->switchToIFrame();
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Update Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Check that element on second position is test_file3 (file:3).
+    $secondElement = $page->find('xpath', '//div[@data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current"]/div[2]');
+    if (empty($secondElement)) {
+      throw new \Exception('Element is not found.');
+    }
+    $this->assertSame('file:3', $secondElement->getAttribute('data-entity-id'));
+
+    // Test reorder inside Entity Browser.
+    $page->clickLink('Select entities');
+
+    $this->getSession()
+      ->switchToIFrame('entity_browser_iframe_ief_entity_browser_file');
+
+    $this->getSession()
+      ->getDriver()
+      ->executeScript('jQuery(\'[data-drupal-selector="edit-selected-items-2-0"]\').simulate("drag", { moves: 1, dx: 150, dy: 0 });');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Use selected');
+    $this->getSession()->switchToIFrame();
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Update Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Check that element on second position is test_file2 (file:2).
+    $secondElement = $page->find('xpath', '//div[@data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current"]/div[2]');
+    if (empty($secondElement)) {
+      throw new \Exception('Element is not found.');
+    }
+    $this->assertSame('file:2', $secondElement->getAttribute('data-entity-id'));
+
+    // Test remove inside entity browser.
+    $page->clickLink('Select entities');
+
+    $this->getSession()
+      ->switchToIFrame('entity_browser_iframe_ief_entity_browser_file');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('remove_3_0');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Use selected');
+    $this->getSession()->switchToIFrame();
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Update Test File Media');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    $page->pressButton('Edit');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+
+    // Check that element on first position is test_file2 (file:2).
+    $secondElement = $page->find('xpath', '//div[@data-drupal-selector="edit-ief-media-field-form-inline-entity-form-entities-0-form-ief-media-bundle-file-field-current"]/div[1]');
+    if (empty($secondElement)) {
+      throw new \Exception('Element is not found.');
+    }
+    $this->assertSame('file:2', $secondElement->getAttribute('data-entity-id'));
+  }
+
+}
