Inline validation in html

1. What is inline validation?
2. How do you write validation in HTML?
3. How to do inline validation in JavaScript?
4. Can we do validation in HTML?

What is inline validation?

In short, inline validation is an effort on behalf of the form to help users correct information as they go, ideally so that when the point comes to submit the form, they are more likely to submit it on the first attempt. The more failed attempts a user makes to submit the form, the more likely they are to give up.

How do you write validation 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.

How to do inline validation in JavaScript?

In order to validate the input, we have to test it against a set of rules that define a pass or fail. For example, you don't want your users to enter & or @ or % into your name field because these characters don't belong there. In order to create a set of rules we use a Regular Expression (Regex).

Can we do validation in HTML?

HTML5 introduced a new HTML validation concept called constraint validation. HTML constraint validation is based on: Constraint validation HTML Input Attributes. Constraint validation CSS Pseudo Selectors.