The software is an advanced JavaScript editor, debugger, and validator suitable for both beginners and professionals. AJAX developers can use it as an AJAX editor. This specialized DHTML editor allows you to create, edit, and test DHTML scripts, making it the first of its kind.

The First DHTML Editor is ideal for editing JavaScript code and creating animations and special effects using DHTML, CSS, and JavaScript. With built-in "Functions and Variables" navigator, it's easy to navigate through your code. The program also uses Intellisense to simplify writing code and make it more error-free.
The Clipboard panel allows you to access all clipboard copy actions, up to 30 of them. There's also an excellent JavaScript source code formatter/beautifier that enables you to apply and customize any style you like.
With the Go to declaration feature, you can navigate to the line of code where the label, function, or variable is declared simply by pressing Ctrl + Click. The Context help feature gives you access to over 2000 methods, properties, events, etc. of DHTML. By placing your cursor on any word in the JavaScript Editor and pressing Shift+F1, you can get a description, with examples, of almost any object of JavaScript, HTML, CSS, and DHTML.
Additionally, the editor can now highlight matching curly braces. Further, there's a unique library containing over 200 ready-to-use controlled scripts, as well as over 700 not controlled scripts for professionals.
If you're an AJAX developer, this program is an advanced Ajax Editor that you should definitely try out. It offers rich possibilities of editing scripts (JavaScript, HTML, CSS, VBScript, PHP, and ASP syntax highlighting, etc), as well as a large snippet library with a full collection of DHTML and JavaScript tags, attributes, statements, etc. (over 1200 in total).
Last but not least, there's a built-in JavaScript Debugger, which allows you to run and debug JavaScript code one line at a time. You can add extra code on the fly or check how variables change in the run of the program. All in all, 1st JavaScript Editor is an excellent all-in-one solution for all your JavaScript needs.
Version 3.8: Completely renew