Important aspect of Java Script a programmer must be aware of is it is an Object oriented Programming language. This in other words means that it is possible to use built in objects available in Java Script and also it is possible for a Java Script programmer to define their own objects and their own variable types. Let us see in this section how to make use of built in objects available in Java Script.

As we have seen in earlier section String object is a widely used object in Java Script. Let us see in this section what the String Object is used for, how to use that in Java Script, some of the methods used in String Object in brief.

We saw in previous section the String Object of Java Script. Now in this section let us see another object of Java Script mentioned earlier in our sections namely the Date Object.

We saw in previous sections the String and Date Objects of Java Script. Now in this section let us see another object of Java Script mentioned earlier in our sections namely the Math Object.

AJAX (Asynchronous JavaScript and XML) is a JavaScript technique which involves special object XMLHttpRequest and sending/receive asynchronous (without full page reload) requests to server. This is an example of simple AJAX application which allows user to enter web-page url and display title of that page right after user stops typing.

A very easy and short tutorial for beginners. You will learn how to show different text without reloading the page.

This set of Javascript functions trim or remove whitespace from the ends of strings. These functions can be stand-alone or attached as methods of the String object. They can left trim, right trim, or trim from both sides of the string. Rather than using a clumsy loop, they use simple, elegant regular expressions. The functions are granted to the public domain.

Here you will learn how to make a simple clock using text. The code of this is brief and easy. You can get alot of help from this.

There are many scripts out there that provide customized pop ups for your pages. Rather than trying to supply a one size fits all script this article demonstrates how you can easily write your own popups, giving you complete control over what you show your users.

This article explains why browser detects should be used only as a last resort and shows why using object detection is a better alternative.