What is the purpose of the ngOnChanges lifecycle hook?

  • Detect changes in input data
  • Perform HTTP requests asynchronously
  • Render the component to the DOM
  • Determine the component's constructor name
The ngOnChanges lifecycle hook in Angular is primarily used to detect changes in input data bound to a component. It is triggered whenever input properties of the component change. This hook is valuable for responding to changes in input data and taking appropriate actions based on those changes. The other options are not the primary purpose of this hook.
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