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JavaScript API

JavaScript API overview
Accessibility tools for JavaScript in Drupal 8
Add JavaScript to Your Theme or Module
Ajax Forms
Messages API
Theming in JavaScript

Using Drupal Javascript messages API (Drupal 8.7+)

This guide has not yet been reviewed by JavaScript API maintainer(s) and added to the menu.

Drupal has a new Messages API since Drupal 8.7. Here is how to use it

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