docs: add method doc (#27377)

PR Close #27377
2019-01-21 08:58:50 -08:00 · 2019-01-21 08:58:50 -08:00 · 988243437a
parent 3b9553bb17
commit 988243437a
1 changed files with 3 additions and 0 deletions
--- a/packages/common/src/directives/ng_for_of.ts
+++ b/packages/common/src/directives/ng_for_of.ts
@ -190,6 +190,9 @@ export class NgForOf<T> implements DoCheck {
    }
  }

+  /**
+   * Applies the changes when needed.
+   */
  ngDoCheck(): void {
    if (this._ngForOfDirty) {
      this._ngForOfDirty = false;