How to pass data from parent to child component in Angular 4

Question

When I try to pass data from parent to child component. I\'m getting undefined message in the console. Data is in the form of array.

parent.component.html

Answer 1

According to angular Lifecycle use the ngOnInit for initializing input values

@Input() data;


constructor() {
}

ngOnInit() {
  let question = this.data;
  console.log(this.question);
}