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Q: What is a higher-order function in JavaScript?  

  • A A function that returns another function
  • B A function that takes another function as an argument
  • C A function that does both of the above
  • D none of these
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Q 1: What is scope in Angular.js?

  • AIt is used for registering DOM listeners as well as instance DOM manipulation. It is executed once the template has been cloned.
  • BIt runs end-to-end tests that are also written in JavaScript and run with node.
  • CIt is to bind the HTML tags (input, select, textarea) to Angular Application Data.
  • DIt refers to the application model, acts like glue between application controller and the view. It can watch expressions and propagate events.

Q 2: ng-bind binds the AngularJS Application data to HTML tags.

  • ATrue
  • BFalse

Q 3: what is the code, if you want to bind the selected option in the tag h1? 

<div ng-app="myApp" ng-controller="myCtrl"> <p>Select a car:</p> <select> <option ng-repeat="x in cars">{{x.model}}</option> </select> </div>

  • A
    
<select ng-model=""> <option ng-repeat="x in cars">{{x.model}}</option> </select> <h1>You selected: {{}}</h1>
  • B
    
<select ng-model="selectedCar"> <option ng-repeat="x in cars">{{x.model}}</option> </select> <h1>You selected: {{selectedCar}}</h1>
  • C
    
<select ng-model="selectedCar"> <option ng-repeat="x in cars">{{x.model}}</option> </select> <h1>You selected: {{selectCar}}</h1>

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