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Home » Quiz » Angular Quiz

What is a directive in Angular?

Difficulty level
  • A behavior added to DOM
  • A component template
  • A module definition
  • A route configuration
In Angular, a directive is a behavior added to the Document Object Model (DOM) to extend its functionality. Directives are a way to create reusable components and add dynamic behavior to elements.
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Angular Quiz
Quiz
You've noticed that a specific component in your application is being checked and re-rendered by Angular even though its input data hasn't changed. You want to optimize it so that Angular only re-renders it when the input data actually changes. What would you implement?
The Route Resolver uses the _____ method to load the data necessary for the route.

Related Quiz

  • The _____ file in Protractor allows you to specify settings such as the Selenium address and test files.
  • To test directives with dependencies, Angular provides the _______ class which allows you to inject dependencies and spy on their usage.
  • The Ivy Renderer in Angular optimizes the application by using _____ rendering.
  • In a Protractor test, how can you interact with a button element on a webpage?
  • What technique can be used to ensure that an observable is automatically unsubscribed from, even if it was not manually unsubscribed?

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