Helpful Resources

Last modified: June 18, 2025

Introduction

The sections below provide helpful resources when creating custom actions. Most are third-party resources, and there are also some Mendix documents.

Information

LinkDescription
w3schools JavaScriptOn this page, you can find information on JavaScript. They use a lot of examples and have a tutorial.
w3schools CSSOn this page, you can find information on CSS. They use a lot of examples and have a tutorial.
w3schools jQueryOn this page, you can find information on jQuery. They use a lot of examples and have a tutorial.
Official jQuery websiteOn this page, you can find all on jQuery. They also have examples. However, the W3schools page (above) is more understandable and has a tutorial.
Stack OverflowA massive forum for developers. If you have a question regarding code, look for the answer here.
Guidelines for Creating a Custom ActionThese are the guidelines to follow when creating custom actions. This is a prerequisite for each how-to.
ATS SelectorsThis is documentation on the different selectors you can use within ATS. Most important are the ATS selectors, as these are pseudo-selectors and are not standard jQuery/CSS. This is a prerequisite for each how-to.
JavaScript CheckerThis page checks your JavaScript for mistakes.
Custom Action BasicsThis is a how-to for the basics of creating a custom action.

Tools

LinkDescription
ATS HelperThe ATS Helper is an extension that you use to get information from a widget.
ATS RecorderThe ATS Recorder tool is used to record your test scripts.
jQuery Selector HelperThis is a third-party extension for the Google Chrome browser. It helps you create jQuery selectors quickly. It also helps with learning jQuery, because it creates the selector automatically.
jQuery InjectorThis is a third-party extension for the Chrome browser. It enables you to inject jQuery into the page. Some pages don’t have jQuery or something goes wrong while loading.