From: Joel Pearson Date: 2013-02-08T06:06:04+09:00 Subject: Re: execute_async_script v/s execute_script in Selenium web-driver The documentation is here: http://selenium.googlecode.com/svn/trunk/docs/api/java/org/openqa/selenium/JavascriptExecutor.html Basically the async version doesn't wait for a return, your script continues to execute. -- Posted via http://www.ruby-forum.com/.