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Home » Quiz » Angular Quiz

Which built-in validator can be used to ensure a form control's value is required in Angular?

Difficulty level
  • isRequired
  • mandatory
  • required
  • validateRequired
The **required** validator is used to ensure that a form control's value is required in Angular. It helps validate whether the control has a value.
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Angular Quiz
Quiz
To optimize performance, you can set the _____ property of a component to ChangeDetectionStrategy.OnPush to make Angular check the component only when its input properties change.
Which RxJS operator would you use to combine multiple Observables into a single Observable?

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