As always, only use this code if the browser you’re designing for supports image manipulation via JavaScript (that is, Netscape 3 or later and Internet Explorer 4 or later).

JavaScript is the most in-demand programming language for developer jobs and one of the most versatile languages for full-stack development. Here's what you need to know about JavaScript.

JavaScript Made Easy: How to Make a Simple Image Rollover. By Dori Smith. JAN 31, 2001 4:00 pm PST. ... This line checks to see if the JavaScript code can detect any images on the page.

TypeScript is a variation of the popular JavaScript programming language that adds features that are important for enterprise development. In particular, TypeScript is strongly typed—meaning ...

A JavaScript performance optimization tip that is very easy to implement is simply replace every var in your code with a let. 3. Minify and combine. If your webpage links to multiple JavaScript ...

Microsoft has released version 1.45 of its Visual Studio Code editor for Windows, Mac, and Linux with updates for its JavaScript debugger, TypeScript improvements, faster syntax highlighting, as ...