AngularJS ng-required Directive

The AngularJS ng-required directive is used to add the required validator to ng-model. It is mainly used for input and select control but it can also be used for custom controls.

The ng-required directive is necessary to makes you able to shift the value between true and false. In HTML, the required attribute cannot be set to false.

It is supported by <input>, <select>, and <textarea> and other editable elements.

Syntax:

Parameter explanation:

expression: It specifies an expression that will set the required attribute if it returns true.

Let's take an example to demonstrate the usage of ng-required directive.

See this example: