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You can find a quick AJAX primer at:http://mi6.ais.ucla.edu/devbriefs/ajax-primer

Javascript, also known as ECMAscript, is used to make web browsers perform certain actions before returning to the web server. It depends on web browsers behaving the same. This was problematic for a long time, but is getting much better. Here are a few Javas...

It’s easy to make an image reload just by refreshing a page in your browser. Reloading just the image without forcing the whole page to refresh is a little trickier.This is a useful technique to use if you have a rotating image that you would like to cycle eve...

For better or for worse, everyone developing web sites at UCLA abides by different rules. For those of us who build for public consumption, what are the best practices — considerate of time and maintenance limitations — to get a little closer to building bette...

The traditional way to get pretty-looking corners for all your tables (and divs, and menus, and whatnot) used to involve setting a background image to the table or other element. While simple, this is a very inflexible solution. It is completely dependent on t...

If you develop for the web, you may have heard the term “Document Object Model” or “DOM” thrown around. You might have even used it without realizing it. The DOM is an object structure that represents web pages. It’s primary use is in Javascript, though it can...

Favelets, or bookmarklets, are a quick and easy way to add functionality to your browsing experience. Favelets (as I will refer to them from here on) are bookmarks (i.e. favorites) for your browsers, but instead of storing a web or ftp address as a URL they st...

We needed the ability to display an image for only a quarter of a second. This can be done using javascript. After the tag, add these functionsfunction displayImage(){document.images[0].src = 'flashedImage.jpg'var t = setTimeout("hideImage()",250)}function ...

IntroductionJavascript is a browser-interpreted language that was created to access all elements of HTML and the browser. The processing is done entirely by the client-side browser which makes it very useful tool to handle processing which would have otherwis...

So you’re tasked with creating a new web site or enhancing an old one and you need to provide some nice UI components or a RIA, the question is, what to use? We have faced this question at the Digital Libraries, and found the best approach for us is to define ...

Learn the basic building blocks of jQuery in a two hour combination of videos, and interactive console challenges. – http://try.jquery.com/Please list any other useful jQuery Tutorials you know of.

Markdown is often used for writing documentation, but it doesn’t provide supports for diagrams. Now, something called mermaid does. It can generate diagrams and flowcharts from text in a similar manner to markdown. Mermaid DemoThere is also a project called vi...

There is a javascript template located in the Moodle Database Activity Module so instructors can recognize when students click buttons or hover over textareas, and other such basic functionality. In the jstemp.jpg, you can see several examples of working java...

Say you have two databases in your Moodle site, and you want to send data from one database to the other one to fill in a form. An easy way to do this is by sending the required data through the url and utilizing JavaScript. Sample 1 In Sample 1, lets say ...

When used correctly, jQuery can help you make your website more interactive, interesting and exciting. This article will share some best practices and examples for using the popular Javascript framework to create unobtrusive, accessible DOM scripting effects. ...