function hook_js_alter

Alters JavaScript before it is presented on the page.

Parameters

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

\Drupal\Core\Asset\AttachedAssetsInterface $assets: The assets attached to the current response.

\Drupal\Core\Language\LanguageInterface $language: The language for the page request that the assets will be rendered for.

See also

\Drupal\Core\Asset\AssetResolver

Related topics

File

core/lib/Drupal/Core/Render/theme.api.php, line 888

Code

function hook_js_alter(&$javascript, \Drupal\Core\Asset\AttachedAssetsInterface $assets, \Drupal\Core\Language\LanguageInterface $language) {
    // Swap out jQuery to use an updated version of the library.
    $javascript['core/assets/vendor/jquery/jquery.min.js']['data'] = \Drupal::service('extension.list.module')->getPath('jquery_update') . '/jquery.js';
}