From fa022ca20c20e424b51838ec3ab5c0e21165f42c Mon Sep 17 00:00:00 2001
From: yangzhang <whu12yz@163.com>
Date: Fri, 20 Sep 2019 14:16:19 +0800
Subject: [PATCH] fix: replace performance.now to Date.now so as to compatible
 with ios8.

---
 number-flip.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/number-flip.js b/number-flip.js
index 1cb0df0..ccd6d02 100644
--- a/number-flip.js
+++ b/number-flip.js
@@ -120,10 +120,10 @@ export class Flip {
         temp *= 10
       }
     }
-    const start = performance.now()
+    const start = Date.now()
     const dur = (duration * 1000) || this.duration
-    const tick = now => {
-      let elapsed = now - start
+    const tick = () => {
+      let elapsed = Date.now() - start
       draw(elapsed / dur)
       if (elapsed < dur) requestAnimationFrame(tick)
       else {