Update onUpdate callback. (#2002)

atjason · Justineo · commit cbaa79f29082 · 2019-02-19T00:28:42.000+08:00
diff --git a/src/v2/guide/transitioning-state.md b/src/v2/guide/transitioning-state.md
@@ -426,8 +426,8 @@ Vue.component('animated-integer', {
 
       new TWEEN.Tween({ tweeningValue: startValue })
         .to({ tweeningValue: endValue }, 500)
-        .onUpdate(function (object) {
-          vm.tweeningValue = object.tweeningValue.toFixed(0)
+        .onUpdate(function () {
+          vm.tweeningValue = this.tweeningValue.toFixed(0)
         })
         .start()
 
