JavaScript → Tips and Tutorials → Forms

AJAX Tutorial - First AJAX form

In this article, I''ll explain demonstrate the fundamental steps to creating an Ajax form. In this demo, there are two files, one is index_demo.php and the other is add_url_demo.php

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  • Linux,
  • Windows
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  • Freeware

How to pass values from one field to other fields using Javascript

One of the big questions people have is how they can pass values from fields to others fields.

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  • Linux,
  • Windows
• Licenses
  • Freeware

JavaScript Form object explanation

Complete listing of the Form object of JavaScript and its properties/methods. Also includes additional pages describing objects beneath Form, such as TEXTAREA, SELECT etc.

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  • Linux
• Licenses
  • Freeware

Form Change Event (Dynamicaly change one form value while other is changed)

Let us say that we have a form with two select options. We want one to change when we change the value of other. Follow the steps to do it yourself

• Platforms
  • Linux
• Licenses
  • Freeware

Enabling/ disabling form elements using JavaScript

This tutorial shows you how to use JavaScript to dynamically enable and disable form elements, making the process of filling out forms more intuitive.

• Platforms
  • Linux
• Licenses
  • Freeware

Address Auto-Fill Ckeck Box

Javascript code that automatically fills in the address in all places needed on the page after just once entering it and selecting the check box.

• Platforms
  • Linux
• Licenses
  • Freeware

The target attribute

For various web scripts it is more convenient that user will see form executed in new window when he is pressing the submit button. Using JavaScript you can control the appearance of that window. change size, turn off navigation panel, hide manubar a...

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  • Linux
• Licenses
  • Freeware

Submit1ce

Got a submissions form that you keep getting multiple submissions from? I''ve found that in most cases its because people are impatient and click the submit button repeatedly until they get a response. The unfortunate result is that you receiv...

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  • Linux
• Licenses
  • Freeware

Text Box Characters Counter

In forms when using text boxes or text areas with limited character length (usually needed for forms that submit data to a database) it is always a good idea to tell the user how many characters they have remaining. The following example shows how yo...

• Platforms
  • Linux
• Licenses
  • Freeware

Resetting forms using an Image Button (IE4+ / NS4+)

In forms when using text boxes or text areas and check boxes you might need a reset button that is not the usual gray HTML button. For this you can use a small JavaScript function as given below. Note: This button will reset only text boxes,text area...

• Platforms
  • Linux
• Licenses
  • Freeware

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