Front-end Validation

Learn how to perform frontend validation with JavaScript.

We'll cover the following

Frontend or client-side validation is the process of alerting the user about issues in the form before they send it ahead to the server. This process provides a great user experience in our application because the user is immediately made aware of any problematic data. Such a validation process helps save money and resources as well.

The validation is carried out with built-in HTML5 features as well as JavaScript for any customization purposes. These might include customizing the validation or performing complex validation procedures. So, we will focus on JavaScript form validations in this lesson.

The form

First things first, let’s create a basic form.

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