Is it possible to execute JavaScript within an AJAX request? I attempted to include some JavaScript code in the PHP file that was called by an AJAX command. The purpose of this script was to modify an HTML attribute on the parent page. However, it did not work as expected. When checking the console in Firebug, the script was printed but did not trigger any alerts.
Thank you for your responses!
When receiving a response, it is important to assess the content of the text.
For example, if the AJAX returns alert('foobar'), you can utilize eval(ajaxResponseText) to execute the code.
With tools such as Prototype.js, you can configure it to automatically interpret script tags within the response text.
Engaging in such behavior is highly frowned upon, it's best to steer clear of it.
Instead of directly transmitting JS code from PHP, consider sending a designated "command" or "data" and interpret it in the AJAX callback function.
For instance, if you wish to display an alert message, have PHP only transmit the text for the alert, then within the AJAX callback retrieve this value and execute:
alert(ajaxResponse);
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