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Home » Quiz » Angular Quiz

To asynchronously validate a form control value, you can use a _____ validator.

Difficulty level
  • asyncValidator
  • mergeMap
  • subscribe
  • syncValidator
To asynchronously validate a form control value in Angular, you can use an asyncValidator.
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Angular Quiz
Quiz
In template-driven forms, the _____ directive is used to create two-way data bindings on an input field.
In RxJS, which operator can be used to catch and handle errors in an Observable stream?

Related Quiz

  • The _____ strategy in Angular's change detection checks the component and its children only when an event is fired.
  • What is the significance of the declarations array in an Angular module?
  • Which Angular module must be imported to use template-driven forms?
  • In template-driven forms, the _____ directive is used to create two-way data bindings on an input field.
  • You are building a data table component that updates frequently. You want to minimize the performance impact of Angular's change detection mechanism on this component. How would you achieve this?

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