Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.

JavaScript Date object The Date object in JavaScript is the main element when it comes to handling date and time.

Get tips for instantiating JavaScript's prototype-based objects two ways: via constructor functions or object initialization.

A JAVASCRIPT check box OBJECT Now that we can link JavaScript objects to HTML controls, let's look at a more complex task: using JavaScript to make HTML controls easier to use. For this, let us ...

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 ...

Learn more about AJAX, a technique that uses JavaScript and the XMLHTTPRequest object to create faster and better interactive web apps.

Create a variable in the JavaScript tags to initialize an ActiveX object that can run commands through a command line: Add another line inside the script tags to run a desktop application.