No wonder you must have tried many Javascript codes before to achieve placeholder or in lame man’s term watermark like text in your form input fields. Javascript codes can be bit messy but of-course you can achieve whatever you want with your input boxes. But there another neat HTML5 way to place watermark text in your input boxes.

If you are creating a HTML form, especially jQuery Ajax driven form, you might want to disable the submit button while page goes into loading mode, because you don’t want user to resubmit same content and cause script failure. To prevent this from happening, we need to disable submit button, here’s how.

Let’s say you have following radio options for the user, and you need to retrieve the value from selected radio button using jQuery.Choose option: CSS jQuery HTML XML

In this tutorial, we will be creating a simple Ajax-based Contact form using jQuery and PHP. Why Ajax? because your visitors don’t have to reload the page in order to send you email, they can simply click send button and the email gets sent instantly before their eyes, so it’s just fantastic, no more page reloads!