$(document).ready(function() {

//var p = document.querySelector('#animation-pic');

$(".center-gold-pic").on("click",function(){

var p=$("#animation-pic"); if (p.hasClass('stop')){ p.removeClass('stop'); timer=setInterval(function(){ var left = Math.ceil(Math.random() * (9 - 0) + 0) * 22; var top = Math.ceil(Math.random() * (9 - 0) + 0) *22; $.post('ajax.txt', function(data) { if(data==1){ var imgObj=$(document.createElement("p")) ; imgObj.css({ "left":left+40, "top":top+30, "background-repeat":"no-repeat", "background-position":"center", "background-size":"cover", "height":"35px", "width":"35px", "border-radius":"100%", "position":"absolute", "background-image":"url(./imgs/images/7.png)", }); $("#scan-gold-picc").append(imgObj); }else{ setTimeout(function(){show1();}, 4000) }; }); },1000); var lengths=$("#scan-gold-picc").children().length; console.log(lengths)//这里打印节点数目 if(lengths>6){ } }else{ p.addClass('stop'); clearInterval(timer); return; }

});
});