canvas: 小程序平台隐藏 AnimationFrame

pages/component/canvas/canvas.uvue

@@ -14,9 +14,11 @@
         <text>{{dataBase64.slice(0,22)}}...</text>
       </view>
       <button @click="onCreateImage">createImage</button>
-      <button @click="onCreatePath2D">createPath2D</button>
-      <button @click="startAnimationFrame">requestAnimationFrame</button>
-      <button @click="stopAnimationFrame">cancelAnimationFrame</button>
+      <button @click="onCreatePath2D">createPath2D</button>
+      <!-- #ifndef MP -->
+      <button @click="startAnimationFrame">requestAnimationFrame</button>
+      <button @click="stopAnimationFrame">cancelAnimationFrame</button>
+      <!-- #endif -->
       <view style="padding: 8px 10px;">CanvasContext API 演示</view>
       <navigator url="./canvas-context">
         <button>CanvasContext API</button>