哪位大神能帮我把注释写出来

Question

 var isViedo = false;
 var cmr;
 var photoFilePath = new Array();
 var videoFilePath = [];
 mui.plusReady(function(){
  
  document.getElementById('takePhotoBtn').addEventListener('tap',function(){
   var cmr = plus.camera.getCamera();
   cmr.captureImage(captureSuccess,error,{filename:'_doc/camera/'});
  });
  document.getElementById('scanBtn').addEventListener('tap',function(){
   mui.openWindow({
    url:'fileScan.html',
    id:'fileScan.html',
    show:{
     autoShow:true
    },
    extras:{
     recordFile:recordFilePath,
     photoFile:photoFilePath,
     videoFile:videoFilePath
    }
   });
  });
  
  document.getElementById("takeVideoBtn").addEventListener('tap',function(){
   isViedo = true;
   cmr = plus.camera.getCamera();
   cmr.startVideoCapture(function(path){
    videoFilePath.push(path);
   },function(e){
    alert("摄像失败："+e.message);
   },{filename:'_doc/video/'});
   
  });
 });
 function captureSuccess(path){
  photoFilePath.push(path);
  
 }
 function error(e){
  alert(e.message);
 }