1 ajax.inc ajax_command_invoke($selector, $method, array $args = array())

Creates a Backdrop Ajax 'invoke' command.

The 'invoke' command will instruct the client to invoke the given jQuery method with the supplied arguments on the elements matched by the given selector. Intended for simple jQuery commands, such as attr(), addClass(), removeClass(), toggleClass(), etc.

This command is implemented by Backdrop.ajax.prototype.commands.invoke() defined in misc/ajax.js.


$selector: A jQuery selector string. If the command is a response to a request from an #ajax form element then this value can be NULL.

$method: The jQuery method to invoke.

$args: (optional) A list of arguments to the jQuery $method, if any.

Return value

An array suitable for use with the ajax_render() function.:

Related topics


core/includes/ajax.inc, line 1304
Functions for use with Backdrop's Ajax framework.


function ajax_command_invoke($selector, $method, array $args = array()) {
  return array(
    'command' => 'invoke',
    'selector' => $selector,
    'method' => $method,
    'args' => $args,