HTML form validation

1. How do you validate a form in HTML?
2. Does HTML5 have form validation?
3. How do you validate a form in HTML with suitable example program?

How do you validate a form in HTML?

To validate the form using HTML, we will use HTML <input> required attribute. The <input> required attribute is a Boolean attribute that is used to specify the input element must be filled out before submitting the Form.

Does HTML5 have form validation?

Validation attributes

HTML5 added new attributes that declaratively set validation rules for a given input field. These new attributes include: required : Specifies that the field can't be blank. min / max : Specifies the range of allowed values for numeric inputs.

How do you validate a form in HTML with suitable example program?

Mainly there are two ways to perform HTML form validation. The first is using the built-in functionality provided in HTML5, and the second is by using JavaScript. Using the first method, we don't need to write extra code.