js代码

<script type="text/javascript">
$(function(){

  var interval = setInterval(increment,100);
  var current = 0;

  function increment(){
    current++;
    $('#counter').html(current+'%'); 
    if(current == 100) { current = 0; }
  }

  $('.load-bar').mouseover(function(){
            clearInterval(interval);
  }).mouseout(function(){
      interval = setInterval(increment,100);
         });

});
</script>