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Allowing Users to Resize Web Page Elements with CSS3

With CSS3 you can give your users a greater level of control over how they view your pages without having to employ complex JavaScript functions. Using the resize property in CSS3, you can set elements to be automatically resizable. These elements appear within the browser with a subtle indicator at the bottom right corner letting users know that the element is resizable. On clicking and dragging the corner, the user can resize your element. The resize property in itself is not complex, but can have...

Allowing Users to Edit Text Content with HTML5

With HTML5, you can set any of your Web page text elements to be editable by users. Using the "contenteditable" attribute, you can instruct the browser to allow users to insert, delete and alter the text your page contains as they view it. There are many possible uses for this technique, such as allowing users to customize the way your pages appear to them each time they visit. In this tutorial, we will run through the basics of letting users edit your text content, including saving their edits for future...

Manipulating HTML5’s native audio with JavaScript

HTML5’s native audio element will be a great way to avoid having to rely on third party plug-ins like QuickTime and Flash. The latest web browsers like Chrome 10+ and Firefox 3.6+ are already there with imbedded javascript libraries which provide methods and properties for manipulating the <audio> element. In this post, we’ll examine a few of the most important methods and discover ways to use Javascript to run audio files. NOTE:  Although this post focuses on the Audio object, these methods...

Implementing Drag and Drop Functions with HTML5 and JavaScript

With HTML5 and JavaScript, you can implement native drag and drop functions within the Web browser. This is one of the emerging HTML5 tools that promises to make websites more interactive without relying on additional technologies such as Flash. In this tutorial we will create a simple page with images the user can drag and drop into designated areas. Create an HTML5 Web Page ... Create an HTML file for your drag and drop function. Use the following basic outline, with sections for JavaScript and CSS...

What Can You Do With Paper.js?

There are many JavaScript frameworks that leverage HTML5. Paper.js is one of these frameworks that uses Document Object Model (DOM) to structure objects in an easy-to-understand manner.  It offers creative and neat ways of doing lots of stuff on a Web browser that supports the <canvas> tag. It also offers a new and interesting approach to drawing vector graphics. The basic setup is shown below: <script src="js/paper.js" type="text/javascript"></script> <script src="js/main.js"...
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