diff -u b/js/linkit.field.js b/js/linkit.field.js
--- b/js/linkit.field.js
+++ b/js/linkit.field.js
@@ -2,38 +2,29 @@
  * @file
  * Linkit field ui functions
  */
-(function ($) {
-  Drupal.behaviors.linkit_field = {
+(function($, behavior) {
+  'use strict';
+
+  Drupal.behaviors[behavior] = {
     attach: function(context, settings) {
       // If there is no fields, just stop here.
-      if (settings.linkit == undefined || settings.linkit.fields == null) {
+      if (undefined === settings.linkit || null === settings.linkit.fields) {
         return false;
       }
 
-      $.each(settings.linkit.fields, function(id, field) {
-        $('#' + id, context).once('linkit_field', function() {
+      $.each(settings.linkit.fields, function(i, instance) {
+        $('#' + instance.source, context).once(behavior, function() {
           var element = this;
 
-          $('.linkit-field-' + id).click(function(event) {
+          $('.linkit-field-' + instance.source).click(function(event) {
             event.preventDefault();
 
-            var instance = {
-              // Set profile.
-              profile: field.profile,
-              // Set the name of the source field.
-              source: id,
-              // Set the source type.
-              helper: 'field',
-              suppressProfileChanger: true
-            };
-
             // Only care about selection if the element is a textarea.
             if ('textarea' === element.nodeName.toLowerCase()) {
               instance.selection = Drupal.linkit.getDialogHelper('field').getSelection(element);
             }
 
             Drupal.settings.linkit.currentInstance = instance;
-            // Create the modal.
             Drupal.linkit.createModal();
           });
         });
@@ -45,7 +36,6 @@
    * Linkit field dialog helper.
    */
   Drupal.linkit.registerDialogHelper('field', {
-    init: function() {},
     afterInit: function() {},
 
     /**
@@ -55,16 +45,15 @@
      *   The link object.
      */
     insertLink: function(data) {
-      var linkitSettings = Drupal.settings.linkit,
-          fieldSettings = linkitSettings.fields[linkitSettings.currentInstance.source],
+      var instance = Drupal.settings.linkit.currentInstance,
           // Call the insert plugin.
-          link = Drupal.linkit.getInsertPlugin(fieldSettings.insert_plugin).insert(data, fieldSettings);
+          link = Drupal.linkit.getInsertPlugin(instance.insertPlugin).insert(data, instance);
 
-      if (linkitSettings.currentInstance.hasOwnProperty('selection')) {
+      if (instance.hasOwnProperty('selection')) {
         // Replace the selection and insert the link there.
-        this.replaceSelection(linkitSettings.currentInstance.source, linkitSettings.currentInstance.selection, link);
+        this.replaceSelection(instance.source, instance.selection, link);
       }
-      else if (fieldSettings.hasOwnProperty('title_field')) {
+      else if (instance.hasOwnProperty('titleField')) {
         try {
           var $link = $(link),
               text = $link.text(),
@@ -72,12 +61,12 @@
         }
         catch (e) {}
 
-        this.replaceFieldValue(fieldSettings.title_field, text || link);
-        this.replaceFieldValue(linkitSettings.currentInstance.source, href || link);
+        this.replaceFieldValue(instance.titleField, text || link);
+        this.replaceFieldValue(instance.source, href || link);
       }
       else {
         // Replace the field value.
-        this.replaceFieldValue(linkitSettings.currentInstance.source, link);
+        this.replaceFieldValue(instance.source, link);
       }
     },
 
@@ -156 +145 @@
-})(jQuery);
+})(jQuery, 'linkitField');
diff -u b/linkit.field.inc b/linkit.field.inc
--- b/linkit.field.inc
+++ b/linkit.field.inc
@@ -202,21 +202,24 @@
 
   // Load the insert plugin for the profile.
   $insert_plugin = linkit_insert_plugin_load($profile->data['insert_plugin']['plugin']);
-  $field_id = $element['#id'];
-  $settings = array(
+  $js_settings = array(
+    'helper' => 'field',
+    'source' => $element['#id'],
     'profile' => $instance['settings']['linkit']['profile'],
-    'url_method' => $profile->data['insert_plugin']['url_method'],
-    'insert_plugin' => $profile->data['insert_plugin']['plugin'],
-    // @TODO: Add autocomplete settings.
+    'insertPlugin' => $profile->data['insert_plugin']['plugin'],
   );
 
   // Special treatment for link fields.
   if ('link_field' == $element['#type']) {
-    $field_id = $element['url']['#id'];
+    $js_settings['source'] = $element['url']['#id'];
 
-    // Link fields can have a title field.
-    if (isset($instance['settings']['title']) && in_array($instance['settings']['title'], array('optional', 'required'))) {
-      $settings['title_field'] = $element['title']['#id'];
+    // @see link_field_info()
+    // @see link_field_instance_settings_form()
+    //
+    // Link fields have a title field, but value could
+    // be changed only for those options.
+    if (in_array($instance['settings']['title'], array('optional', 'required'))) {
+      $js_settings['titleField'] = $element['title']['#id'];
     }
   }
 
@@ -226,7 +229,7 @@
       'class' => array(
         "button",
         "linkit-field-button",
-        "linkit-field-$field_id",
+        "linkit-field-{$js_settings['source']}",
       ),
     ),
   ));
@@ -238,7 +241,7 @@
   $element['#attached']['js'][] = array(
     'type' => 'setting',
     'data' => array(
-      'linkit' => array('fields' => array($field_id => $settings)),
+      'linkit' => array('fields' => array($js_settings)),
     ),
   );
 
only in patch2:
unchanged:
--- a/js/linkit.js
+++ b/js/linkit.js
@@ -140,6 +140,12 @@ Drupal.linkit.registerDialogHelper = function(name, helper) {
 
 /**
  * Get a dialog helper.
+ *
+ * @param {String} name
+ *   The name of helper.
+ *
+ * @return {Object}
+ *   Dialog helper object.
  */
 Drupal.linkit.getDialogHelper = function(name) {
   return Drupal.linkit.dialogHelper[name];