JavaScript’s built-in objects include Object, JSON, console, String, Math, Date, and the window and global objects. These are some of the most important and useful parts of the JavaScript language.

JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

What is AJAX (Asynchronous JavaScript and XML)? AJAX (Asynchronous JavaScript and XML) is a technique aimed at creating better and faster interactive web apps by combining several programming tools, ...

Image () object in JavaScript and pass it the URL of the image you want preloaded. Say we have an image called heavyimagefile.jpg, which we want to ...