Validating form in javascript

When you submit a form to a CGI program that resides on the server, it is usually programmed to do its own check for errors.If it finds any it sends the page back to the reader who then has to re-enter some data, before submitting again.We're going to be checking the form using a function, which will be activated by the form's Validating this form would be considerably simpler than one containing radio buttons or select boxes, but any form element can be accessed.

Net controls values; they are:get Element By Id: this method is used to read the controls values by their Element By Name: this method is used to read the controls values by their Element By Tag Name: this method is used to read the controls values by their Tag Name.

It was started back in the early days of j Query in 2006, and updated and improved since then.

In this tutorial, you will learn how to use Java Script to validate an HTML form.

In this article we use the In the code above I have taken the ASP.

Net control's values in variables so it cannot be repeated again and again in our function the email Exp variable holds the pattern of the email id in the form of a regular expression.

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    We identify these patterns by looking at the activity of millions of web users throughout the world, and using data normalization to correct for any biases.