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 syntax in many ways is actually more like Java’s than some of these languages, but its prototype-based approach to object-orientation is very different.

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 ...