Create a Mouse Click Sound Effect
One way to add to the exerience of visiting your website is to provide sound effects. It's extremely easy to add a click sound when a visitor clicks on a link. More ...
Change the Case of a Character in a String
A common task with JavaScript is to change the case of the first letter in a string, or of an internal letter, or even change the case of an entire string. More ...
Password Protection Using the Frames Method
One method of password protecting your webpages is to use a cookie, but cookies are unreliable. If you can't trust a cookie to store the information that the user is logged in, where can you store it? In this example I'll show you how to use frames for JavaScript password security. More ...
Creating Basic Java Script Functions
In this article you learn how to create basic Java Script functions. You learn how to use parameters and how to return values, including how to return an array from a function. The article also intoduces variable scope. More ...
What is a Regular Expression?
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. Regular expressions are very powerful, but also difficult to understand and complicated to use. More ...
Easy Java Script Form Validation
You can use forms on your website to get information from the visitor. However a user might make an error, or forget and entry in a form. Ignorant and malicious users may deliberately enter trash into your form in an effort to break your application. More ...
HTML5 Canvas Storing and Clearing Transformations
With HTML5 Canvas, it's possible to save the current transformation, do some drawing and transforming, and then restore the old transformation. More ...
JavaScript to Add and Remove Rows and Cells from a Table
If you need a client-side application where you have a table that you want to enable the user to add and remove rows and cells, this article provides you with JavaScript code to easily accomplish that. More ...
Easy Slide Show Code With Linked Slides
A slide show sequences through pictures of products. Wouldn't it be nice if the user could stop the slide show, go back to the previous picture, click on the picture to get detailed information about the product? More ...
HTML5 Canvas Drag-and-Drop
The HTML5 canvas element creates a sketchpad area on a webpage where you can use JavaScript to draw 2D shapes, graphics, animations, render bitmap images, and even create online presentations and build dynamic browser games. In this article you'll learn how to use drag-and-drop in your canvas projects. More ...
JavaScript to Copy and Paste Text to the Clipboard
In some applications, rather than the user's selection, you may want to copy the contents of a specific html element to the clip board. Or when the user initiates a Paste, you may want to direct the contents of the user's clipboard to a specific html element on the webpage. Here is the code for this. More ...
Easy Picture Panning Code
In this article, I provide you with code that will pan an image back and forth, as if you where looking at a video. But this code does not require video, just a simple image and a few lines of Java Script code. More ...
