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.

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 ...

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

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 ...