WordPress at a glance

wp_deregister_script() WP 1.0

Remove a registered script.

Note: there are intentional safeguards in place to prevent critical admin scripts, such as jQuery core, from being unregistered.

  • See: WP_Dependencies::remove()

No Hooks.

Return

Nothing (null).

Usage

wp_deregister_script( $handle );
$handle(string) (required)
Name of the script to be removed.

Code of wp_deregister_script: wp-includes/functions.wp-scripts.php VER 4.9.8

<?php
function wp_deregister_script( $handle ) {
	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );

	/**
	 * Do not allow accidental or negligent de-registering of critical scripts in the admin.
	 * Show minimal remorse if the correct hook is used.
	 */
	$current_filter = current_filter();
	if ( ( is_admin() && 'admin_enqueue_scripts' !== $current_filter ) ||
		( 'wp-login.php' === $GLOBALS['pagenow'] && 'login_enqueue_scripts' !== $current_filter )
	) {
		$no = array(
			'jquery', 'jquery-core', 'jquery-migrate', 'jquery-ui-core', 'jquery-ui-accordion',
			'jquery-ui-autocomplete', 'jquery-ui-button', 'jquery-ui-datepicker', 'jquery-ui-dialog',
			'jquery-ui-draggable', 'jquery-ui-droppable', 'jquery-ui-menu', 'jquery-ui-mouse',
			'jquery-ui-position', 'jquery-ui-progressbar', 'jquery-ui-resizable', 'jquery-ui-selectable',
			'jquery-ui-slider', 'jquery-ui-sortable', 'jquery-ui-spinner', 'jquery-ui-tabs',
			'jquery-ui-tooltip', 'jquery-ui-widget', 'underscore', 'backbone',
		);

		if ( in_array( $handle, $no ) ) {
			$message = sprintf(
				/* translators: 1: script name, 2: wp_enqueue_scripts */
				__( 'Do not deregister the %1$s script in the administration area. To target the front-end theme, use the %2$s hook.' ),
				"<code>$handle</code>",
				'<code>wp_enqueue_scripts</code>'
			);
			_doing_it_wrong( __FUNCTION__, $message, '3.6.0' );
			return;
		}
	}

	wp_scripts()->remove( $handle );
}

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From tag: script

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