fix(video): this.progressBallRef is undefined (#4407)

NervJS · Sep 19, 2019 · 0a7fc45 · 0a7fc45
1 parent 708ceb9
commit 0a7fc45
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/taro-components/src/components/video/controls.js b/packages/taro-components/src/components/video/controls.js
@@ -53,7 +53,7 @@ class Controls extends Component {
     this.currentTimeRef.innerHTML = formatTime(time)
   }
   setProgressBall (percentage) {
-    this.progressBallRef.style.left = `${percentage * 100}%`
+    if(this.progressBallRef) this.progressBallRef.style.left = `${percentage * 100}%`
   }
 
   toggleVisibility (nextVisible) {