Validating a form using java script

So, most of the web developers prefer Java Script form validation.

Through Java Script, we can validate name, password, email, date, mobile number etc fields.

Form validation normally used to occur at the server, after the client had entered all the necessary data and then pressed the Submit button.

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The name can’t be empty and password can’t be less than 6 characters long. The user will not be forwarded to the next page until given values are correct.The zip file contains the javascript file, examples.The script has a catalog of almost all the common validation types built-in.Form validation is the process of checking that a form has been filled in correctly before it is processed.For example, if your form has a box for the user to type their email address, you might want your form handler to check that they've filled in their address before you deal with the rest of the form.The Java Script class presented here makes the form validations many times easier.First, download the Java Script form validation script here.(16 printed pages) Introduction Getting Started Writing the Validation Script Connecting the Form to the Script Associating Form Fields with Custom Script Code Listing Conclusion When you create forms, providing form validation is useful to ensure that your customers enter valid and complete data.For example, you may want to ensure that someone inserts a valid e-mail address into a text box, or perhaps you want to ensure that someone fills in certain fields.Server-side validation incorporates code validation into a form handler. NET application on the server that provides the functionality that your form needs for processing after a customer has submitted it.Because the code is stored on the server, server-side validation requires a roundtrip to the server.

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