jQuery滚动老虎机抽奖特效插件Js抽奖源码

HTML
<div class="main2">
	<div class="container">
		<div class="num num2">
			<div class="num-con num-con2">
				<div class="num-img"></div>
				<div class="num-img"></div>
			</div>
		</div>
	</div>
</div>
<div class="main3">
	<div class="container">
		<div class="main3-btn"></div>
	</div>
</div>

jQuery实现代码
$(".main3-btn").click(function () {
		if(!flag){
			flag=true;
			reset();
			letGo();
			setTimeout(function () {
				flag=false;
				if(index==2){
					$(".fix,.pop-form").show();
				}else{
					$(".fix,.pop").show();
					//$(".pop-text span").text(""+String(4-TextNum1)+(8-TextNum2))
				}
			},2000);
			index++;
		}
	});

	var flag=false;
	var index=0;	
	var TextNum2
	function letGo(){
		TextNum2=parseInt(Math.random()*7)
		var num2=[-750,-820,-888,-274,-341,-408,-477,-545][TextNum2];		
		$(".num-con2").animate({"top":-750},1000,"linear", function () {
			$(this).css("top",0).animate({"top":num2},1800,"linear");
		});
	}
	function reset(){
		$(".num-con2").css({"top":-274});
	}