html5 红包雨 源码下载(zepto框架)

红包雨

var isFirst = true; 
function doS(){
if(isFirst){
var a =0;
var Timerr = setInterval(aa,300);
var removepackage = setInterval(function(){
for(var jj=0;jj<$('.div>div').size()/3;jj ){
$('.div>div').eq($('.div>div').size()-jj).remove();
}
},600)

function aa(){
for(var i=0;i<2;i ){
var m=parseInt(Math.random()*300 200);
var j2=parseInt(Math.random()*200 100);
var j=parseInt(Math.random()*640 000);
var j1=parseInt(Math.random()*100 500);
var n=parseInt(Math.random()*10 (-10));
$('.div').prepend('<div class="dd"></div>');
$('.div').children('div').eq(0).css({'left':j,'top':n});
$('.div').children('div').eq(0).animate({'left':j-j1,'top':$(window).height() 20},5000);
}
}

$(document).on('touchstart', '.dd', function(){
$(this).css("background-position","0 -100px");
a ;

if(a == parseInt(Math.random()*10 1)){
$(".chuai_box").show();
clearInterval(Timerr,20);
$(".div").removeClass("bg_1");
setTimeout(function(){
$(".div").addClass("bg_2");
},3000);
}
}); 

isFirst = false;

}

}