clear interval on component unmount

2019-07-29 13:47:35 -05:00
parent 8d748b6c65
commit 49a16f9071
1 changed files with 3 additions and 0 deletions
@@ -32,6 +32,9 @@ export default class Countdown extends Component<Props, State> {
    });
    this.start();
  }
+  componentWillUnmount() {
+    window.clearInterval(this.intervalID);
+  }
  shouldComponentUpdate() {
    return false;
  }