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Q:
Explain ng-app directive in Angular.

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ng-app directive is used to define Angular applications which let us use the auto-bootstrap in an Angular application. It represents the root element of an Angular application and is generally declared near <html> or <body> tag. Any number of ng-app directives can be defined within an HTML document but just a single Angular application can be officially bootstrapped implicitly. Rest of the applications must be manually bootstrapped.

Example

<div ng-app=“myApp” ng-controller=“myCtrl”>

First Name :

<input type=“text” ng-model=“firstName”>

<br />

Last Name :

<input type=“text” ng-model=“lastName”>

<br>

Full Name: {{firstName + ” ” + lastName }}

</div>

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