New Scripts | JavaScript | Tutorials & Tips

This script introduces few functions (appendChild, nodeValues...) commonly use for DOM navigation. It features a live example which has been tested on IE & Mozilla/Firefox.

You have just finished creating or installing a killer CSS Drop menu for your website. There is only one problem, in IE6 the menu disappears where HTML form elements and Flash layers appear. Form elements and Flash in IE will always cover DHTML layers no matter what zIndex you have set. Here is tutorial on how to fix this using a very flexible menu script as an example.

Sometimes it is necessary to set the focus to the first available form control. The problem is that complex web pages can contain multiple forms and each form individually can contain hidden or disabled elements and controls that cannot accept focus. In this tutorial we will create a function which iterates through all forms until it finds the first available form control.

Having got a brief idea about Single Dimensional Array in JavaScript let us see in this section how to define and access Two Dimensional Array in JavaScript.

In this JavaScript � Part I Tutorial you will learn about Array Definition, Defining an Array in JavaScript, Shorter form, Literal Array, Accessing the elements in an array, Editing the values or elements in an array, Single Dimensional Array in JavaScript The array concept is used to store a set of values in a single variable name. So this is a very important concept in any programming language, Let us see how to define and handle arrays in JavaScript in this session.

Say you want to stop users from entering non-alphanumeric characters or white spaces. Well a short and easy tutorial on how to use JavaScript to achieve this with the regex function.

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.

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.

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.

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 a continuation of the earlier section where we have seen alert box, we will see in section briefly about confirm box and prompt box.The confirm box is one that pops up with two buttons namely OK and Cancel. This box namely Confirm box is used to verify from the user for acceptance. If the user accepts then the user presses the Ok button and there by the confirm box returns with a value true and if the user rejects then the user presses the cancel button and there by the confirm box returns false value.

In this Java Script tutorial you will learn about Introduction to Java Script, Origin of Java Script, Need of Java Script, Differences between Java and Java Script and Uses or Advantages of Java Script.Java Script was developed by Netscape by a person named as Brendan Eich. Though it was introduced as a client0side scripting languge and is most geenrally used like that there is no restriction for one using it in server side also. The original name that Java script had when it was intrduced was Livescript.

Having got a brief introduction about Java Script in the previous chapter let us see the features of Java Script in this section.While designing using HTML the persons doing the designing using HTML need to be a good designer and would generally, need not be a good programmer. So in such situation the Java Script acts as a programming tool and is a powerful scripting language and helps the HTML designers to design the website or webpage effectively and interactively in a very simple and efficient way.

There are actually three types of popup boxes that can be created using Java Script. As per the needs of the user the programmers creates any of these types of popup box using Java Script.The three kinds of popup boxes that can be created using Java Script are namely.

Just like any programming language the variables in Java Script are also used to store values. The value of the variable can be edited as required by the programmer.Some of the rules for forming variable names are as follows: Variable names are case sensitive.They must begin with a letter or the underscore character.Having seen about the simple rules for framing variables names now let us see how to declare a variable name.

Having known briefly about the features of Java Script let us start with a lighter section of knowing about how to pace a Java Script within a HTML page, and how to execute this and so on.This can be done by using the area Java Script.

Just like any other programming language the conditional statements in Java Script are used for decision making purpose.If a programmer wants to execute certain statements only , when a desired condition is satisfied or have the true value then this conditional statement namely if statement can be used.

In continuation of the previous section let use see the remaining conditional statements in Java Script in this section.If there are many branching r conditions to be decided based on which actions must be executed then the programmer can go for if...else if....else statement.

Use this wizard to experiment with list styles and generate sample CSS style source code. This wizard uses dynamic HTML to change the style of the table in-situ, without loading another page.

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.