Validating form data using javascript

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You can view this Sample Java Script Registration From Validation Example in a separate browser window and check how the validation is working.

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Following pictorial shows in which field, what validation we want to impose.

This lesson includes an overview of the HTML tags to create forms and the corresponding Java Script objects.

And we welcome any constructive suggestions to improve this example.

Now, when you have finished learning how to validate a sample registration form using Java Script, let us take you to the another way doing the same thing.

But this time, the instead of on submitting the form, validations are on field level, i.e. Sure that will be preety interesting to learn and share as well.

A few months ago Sandeep introduced us to the HTML Constraint API, showing how we can use the new HTML5 input types and attributes to validate our forms in the browser with minimal Java Script.

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