What is @Input() & @Output() in Angular?

Опубликовано: 28 Апрель 2026
на канале: FED Learning

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#angular #angularjs #angularforbeginners #angulardeveloper #angularmaterial #angularinterview

@Input() and @Output() give a child component a way to communicate with its parent component.
@Input() lets a parent component update data in the child component.
@Output() lets the child send data to a parent component.

In this lecture we are going to see the most important interview questions on @Input() &
@output() :

Interview Questions :
1. What is @Input() & @Output() ?
2. What is @Input() ?
3. What is @Output() ?
4. How to pass data from parent to child component ?
5. How to pass data from child to parent component ?
6. Practical example of @Input() & @Output().
7. What is the difference between @Input() and @Output() ?

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