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The form in HTML will look like this: tag improves usability.

Clicking on the label will move the mouse cursor to the input with the id specified in the for attribute.

In this way, client side form validation can vastly improve the user experience.

This article will explain some basics about form validation and then illustrate how to validate form fields using j Query.

Java Script form validation is a great way to help your users avoid mistakes when filling out a form Alternatively, if you want to protect your server from malicious users, then you should use server side validation because Java Script can be easily bypassed.

You cannot rely on Java Script to avoid this security problem. You can also download this demo and check out the source as we go through this tutorial.Then you could check whatever child elements that are required.I would also remove the nesting of your if statements, and instead of alerting an error and returning false, add the error to an array to store each one, then return after all items are validated.Download Demo Source Our form contains two types of validation. Valid inputs will turn green while invalid inputs will turn red.When the submit button is pushed, j Query will check whether all fields are valid.

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