function hook_js_alter

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

drupal_add_js()

drupal_get_js()

drupal_js_defaults()

Related topics

Hooks
Allow modules to interact with the Drupal core.
2 functions implement hook_js_alter()
1 invocation of hook_js_alter()

File

drupal/modules/system/system.api.php, line 746
Hooks provided by Drupal core and the System module.

Code

function hook_js_alter(&$javascript) {

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