优化++

demo.html

@@ -207,7 +207,6 @@
       <p>点击开始后，会按桥接、微信、Web 摄像头、图片识别的顺序选择可用扫码方式。</p>
       <div class="actions">
         <button onclick="startScan()" class="btn">开始扫码</button>
-        <button onclick="scanVideo()" class="btn secondary">开启视频扫码</button>
         <button onclick="scanImage()" class="btn secondary">选择图片识别</button>
         <button onclick="stopScan()" class="btn secondary">停止扫码</button>
       </div>
@@ -247,7 +246,6 @@
 
 IScan.startScan();
 IScan.scanImage();
-IScan.scanVideo();
 IScan.stopScan();</pre>
     </section>
   </main>
@@ -349,10 +347,6 @@ IScan.stopScan();</pre>
       IScan.scanImage();
     }
 
-    function scanVideo() {
-      IScan.scanVideo();
-    }
-
     ready();
   </script>
 </body>