In the previous post,’Create Dynamic Date Selects‘, we ended up with select lists for the Month, Day and Year. In this post, we’ll make these more intuitive by only displaying the correct number of days for a given month/year combination; Continue reading »
An example of what you’re creating can be seen here.
The complete script can be downloaded here AjaxRequest (30.91 KB) Create your first AJAX Request 
In the first part, we created a function, getRequestObj(), that we can now use to initiate a new XMLHttpRequest object. Continue reading »
Jun 232009
We’ve already covered ‘creating a random image with JavaScript’ but the best way to produce a random image on each page load is to use PHP. Using PHP, you are not relying on the browser supporting JavaScript at all and everyone will see the random images.
OK, to start, we’ll create a function called randomSelect(). This will take two parameters; the directory to scan for images and an array of the allowed file extensions to use.
Jun 092009
To make it easier for your visitors to visually separate similar elements in your web page (such as table rows, paragraphs, list items etc), you can give alternate elements a different background colour. You can achieve this using a server-side script but here’s a really simple way to do this using JavaScript.
Jun 062009
If you have required fields in a form, a nice visual clue for the user is to have a message ‘pop up’ if the field hasn’t been filled in. A simple example of what I mean can be seen here.
What You Said