<?php
namespace Facebook\WebDriver;
/**
* WebDriver interface implemented by drivers that support JavaScript.
*/
interface JavaScriptExecutor
{
/**
* Inject a snippet of JavaScript into the page for execution in the context
* of the currently selected frame. The executed script is assumed to be
* synchronous and the result of evaluating the script will be returned.
*
* @param string $script The script to inject.
* @param array $arguments The arguments of the script.
* @return mixed The return value of the script.
*/
public function executeScript($script, array $arguments = []);
/**
* Inject a snippet of JavaScript into the page for asynchronous execution in
* the context of the currently selected frame.
*
* The driver will pass a callback as the last argument to the snippet, and
* block until the callback is invoked.
*
* @see WebDriverExecuteAsyncScriptTestCase
*
* @param string $script The script to inject.
* @param array $arguments The arguments of the script.
* @return mixed The value passed by the script to the callback.
*/
public function executeAsyncScript($script, array $arguments = []);
}