function hook_js_alter

1 system.api.php hook_js_alter(&$javascript)

Perform necessary alterations to the JavaScript before it is presented on the page.

Parameters

$javascript: An array of all JavaScript being presented on the page.

See also

backdrop_add_js()

backdrop_get_js()

backdrop_js_defaults()

Related topics

Hooks Allow modules to interact with the Backdrop core.

3 functions implement hook_js_alter()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

ckeditor5_js_alter in core/modules/ckeditor5/ckeditor5.module: Implements hook_js_alter().
locale_js_alter in core/modules/locale/locale.module: Implements hook_js_alter().
simpletest_js_alter in core/modules/simpletest/simpletest.module: Implements hook_js_alter().

2 invocations of hook_js_alter()

ajax_render in core/includes/ajax.inc: Renders a commands array into JSON.
backdrop_get_js in core/includes/common.inc: Returns a themed presentation of all JavaScript code for the current page.

File

core/modules/system/system.api.php, line 308: Hooks provided by Backdrop core and the System module.

Code

function hook_js_alter(&$javascript) {
  // Swap out jQuery to use an updated version of the library.
  $javascript['core/misc/jquery.js']['data'] = backdrop_get_path('module', 'jquery_update') . '/jquery.js';
}