JS，JQ实现暂停FOR循环，间隔几秒后再继续执行

时间：2017-06-21 11:46:08 收藏：0 阅读：3461

<!DOCTYPE html>
<head>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js">
</script>
<script>
function testing(){
var string = ‘1u2,1u3,1u4,1u5‘;
     var count = 0;
     for (var i = 0; i < string.length; i++) {
         if (string[i] == ‘,‘) {
             count++;
              }
         }
mytimer = setInterval(function(){test();}, 2000);  //利用setInterval实现间隔两秒执行一次test()函数
function test(){
  var barcode=string.split(‘,‘)[count];
  count--;
  if(count<0){clearInterval(mytimer);} //clearInterval取消循环
  alert(barcode);

}
}
</script>
</head>
<body>
<input type="button" style="margin-left:50%;margin-top:20%;" value="test" onclick="testing();" />
</body>
</html>