If you validate the form using jQuery, you can notice this and alert the user to their mistake instead of submitting the form. For example, suppose your user submits the form without entering a mandatory field. In client side validation the data is validated in the browser using JavaScript before submitting the data to the server. There are two types of validation: client side validation and server side validation. This article will explain some basics about form validation and then illustrate how to validate form fields using jQuery. ![]() In this way, client side form validation can vastly improve the user experience. By validating form responses before accepting them, we can alert users to their errors before they submit the form. People make mistakes when they fill out forms. Show warnings when fields aren't entered correctly
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