docs: fix issue 24571 in ngOnChanges (#42517)

fix issue #24571 in ngOnChanges doc PR Close #42517
2021-06-08 12:10:38 +05:30 · 2021-06-08 12:10:38 +05:30 · 5c0541f351
parent f33fa04fb8
commit 5c0541f351
1 changed files with 1 additions and 2 deletions
--- a/packages/examples/core/ts/metadata/lifecycle_hooks_spec.ts
+++ b/packages/examples/core/ts/metadata/lifecycle_hooks_spec.ts
@ -106,8 +106,7 @@ describe('lifecycle hooks examples', () => {
    // #docregion OnChanges
    @Component({selector: 'my-cmp', template: `...`})
    class MyComponent implements OnChanges {
-      // TODO(issue/24571): remove '!'.
-      @Input() prop!: number;
+      @Input() prop: number = 0;

      ngOnChanges(changes: SimpleChanges) {
        // changes.prop contains the old and the new value...