AngularJS ng-submit Directive

The ng-submit Directive in AngularJS is used to specify the functions to be run on submit events. It can be used to prevent the form from submission if it does not contain an action. It is supported by <form> element. 

Syntax:

<form ng-submit="expression"> 
 Content ... 
</form>

Parameter:

• expression: When submitting the form, then the function will be invoked to evaluate an expression that will return the function call.

Example 1: This example describes the basic use of the ng-submit Directive in AngularJS.

Output:

Example 2: This example describes the ng-submit Directive in AngularJS, where the greeting message will be displayed once the user is logged in.

Output: