Most Popular Scripts | JavaScript | Tutorials & Tips

External JavaScript can reference not just .js files, but PHP scripts as well. See how this is done, and the wonderful possibilities linking PHP to JavaScript bring.

Using the DOM, you can access and manipulate external style sheets on the page, from adding/deleting rules to modifying existing ones. This comprehensive tutorial shows you how.

One of the most essential parts of the programming language is the ability to repeat some common action. This is called a loop or a cycle. You can find more details in this tutorial.

This tutorial will teach you basics to make you familar with arrays in JavaScript. You will learn how to access array alements, initalize arrays and use them in functions.

Comprehensive listing of available operators in JavaScript, from Arithmetic, Comparison, Assignment, to Logical and more.

Learn how to generate weighed random numbers in JavaScript, so some show up more often than others.

Comprehensive explanation of the Window object and its events, properties, methods etc.

"Browsing the forums, development articles and other resource sites raised an interesting yet recurring question: 'How do I test for the Document Object Model (DOM) employed by a browser?'" This is a question that begs answering once and for all.

Complete listing of the Form object of JavaScript and its properties/methods. Also includes additional pages describing objects beneath Form, such as TEXTAREA, SELECT etc.

Teaches you the loops in JavaScript. Each loop has its prototype and a simple example showing you how to use it.

You�ll get familiar with JavaScript's operators. Assignment operators, arithmetic operators, comparison operators, logical and conditional operators...

How do you tell the browser that a script is starting? Moreover, how does he know what kind of script is starting? What if the browser doesn�t support JavaScript?

Want to create functions in JavaScript that can accept varying number of parameters, or parameters specified in arbitrary order? This tutorial shows you how.

Literal notation is a new way of defining arrays in JavaScript that's extremely flexible and robust. Learn about literal notation in this tutorial.

This tutorial will teach you the basics of JavaScript, including variables, operators, loops, conditionals, and functions.

Concise, to-the-point tutorial on Regular Expressions with sections on more advanced aspects of the feature.

Tutorial and sample codes to calculate the distance between two locations. Free sample source codes in PHP, ASP, ColdFusion, C/C++, C#, Java, Perl, Visual Basic and Javascript. Longitude and latitude for United States ZIP Code and Canadian Postal Code are available in database subscription.

Comprehensive tutorial on Regular Expressions written in a gentle, easy to follow style.

JavaScript may not be known for its object oriented properties, but it does support most of the features required to be considered an Object Oriented language. See how to write OOP code in JavaScript.

In this tutorial, we look at using DHTML to retrieve and display a XML file. This is useful when you need a client side method of including XML files on your webpages.