关于百度音乐盒

 1         function fRandomBy(under, over){
 2         switch(arguments.length){
 3             case 1: return parseInt(Math.random()*under+1);
 4             case 2: return parseInt(Math.random()*(over-under+1) + under);
 5             default: return 0;
 6             }
 7         } 
 8         $(function(){
 9         setInterval(function(){
10             if($(‘.curTime‘).text().replace("00:00","")==$(‘.totalTime‘).text().substr(0,$(‘.totalTime‘).text().length-1)+"0"){
11                 var curSong=fRandomBy(1,$(‘.playlist-length‘).text().replace(/\D/g,‘‘));
12                 console.log(curSong);
13                 $(‘div[reellist-row=‘+curSong+‘]‘).dblclick()
14         }
15         },1000)
16     })