JQ广告弹窗&随机抽奖———

1.JQ广告弹窗

<div id="flo">

    <img src="image.jpeg">

</div>

<script>

var flo = document.getElementById('flo');

var open = document.getElementById('open');

var max_left = document.documentElement.clientWidth - flo.offsetWidth; //可视区宽度减去div本身的宽度

var max_top = document.documentElement.clientHeight - flo.offsetHeight //可视区高度减去div本身的高度

var t = 1,

    l = 1;

function flao() {

    var old_left = flo.offsetLeft;

    var old_top = flo.offsetTop;

    //新的left 和 top

    var new_left = old_left + l;

    var new_top = old_top + t;

    flo.style.left = new_left + 'px';

    flo.style.top = new_top + 'px';

    if (new_top == max_top || new_top == 0) {

        // alert('daodile')

        t = -1 * t;

    }

    if (new_left == max_left || new_left == 0) {

        l = -1 * l;

    }

}

var timer = setInterval(flao, 10);

flo.onmousemove = function() {

    clearInterval(timer)

}

flo.onmouseout = function() {

    timer = setInterval(flao, 10);

}

window.onresize = function() {

    max_left = document.documentElement.clientWidth - flo.offsetWidth; //可视区宽度减去div本身的宽度

    max_top = document.documentElement.clientHeight - flo.offsetHeight //可视区高度减去div本身的高度

    flo.style.left = 0 + 'px';

    flo.style.top = 0 + 'px';

    t = 1, l = 1;

}

</script>

使用了JQ+JS。实现简单的浮游弹窗效果。

2.随机抽奖

		<style>

			.content {

			width:456px;

			margin:0 auto;

			text-align:center;

			font-weight:800;

		}

		.kuai {

			width:150px;

			height:150px;

			float:left;

			line-height:150px;

			border:1px solid #666;

		}

		.button {

			width:456px;

			margin:0 auto;

			text-align:center;

		}

		.choujiang {

			border:none;

			color:#fff;

			background-color:#5cb85c;

			border-radius:4px;

			font-size:20px;

			padding:5px 20px;

			margin-top:20px;

			cursor:pointer;

		}

		.choujiang:hover {

			background-color:red;

		}

		</style>

		<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>

		<script>

			//请在此段代码前引用jq,否则代码无效

		$(document).ready(function() {

		    var name = ['五等奖', '一等奖', '谢谢参与', '三等奖', '四等奖', '谢谢参与', '六等奖', '谢谢参与', '二等奖']

		    for (var i = 1; i <= name.length; i++) {

		        $(".content").append('<div id="' + i + '" class="kuai">' + name[i - 1] + '</div>');

		    }

		    $('.choujiang').on('click', function() {

		        $(this).attr("disabled", true); //点击按钮后,按钮进入不可编辑状态

		        var sum = name.length;

		        var le = 3 //设置滚动多轮

		        var hh = sum * le;

		        var y = 1;

		        var x = hh;

		        var times = 12; //调节滚动速度

		        var rand = parseInt(Math.random() * (x - y + 1) + y); //获取随机数

		        var i = Math.ceil(rand / sum); //向上取整

		        for (var i = i; i < le; i++) {

		            rand = rand + sum

		        }

		        time(1, rand, times, sum, times) //点击按钮后触发time事件

		    })

		});

		function time(shu, sums, tie, sum, tis) { //倒计时

		    var tie = tie + tis //滚动速度

		    setTimeout(function() {

		        if (shu <= sums) {

		            $('.kuai').css({

		                'background-color': '',

		                'color': ''

		            }) //清除css

		            $('#' + shu + '').css({

		                'background-color': 'red',

		                'color': '#fff'

		            }) //添加css样式

		            if (shu == sum) {

		                sums = sums - shu

		                shu = 0;

		            }

		            shu++

		            text(shu, sums, tie, sum, tis)

		        } else {

		            $('.choujiang').attr("disabled", false); //抽奖完毕,按钮重新进入可编辑状态

		        }

		    }, tie);

		}

		function text(shu, sums, tie, sum, tis) {

		    time(shu, sums, tie, sum, tis) //执行time事件

		}

		</script>

	</head>

	<body>

		<div class="content">

		</div>

		<div class="button">

		    <button type="button" class="choujiang">抽奖</button>

		</div>

	</body>

使用JS+JQ,浅显易懂。

后面还有一些其他小domo会陆续发的

巴特西

JQ广告弹窗&随机抽奖————JQ

1.JQ广告弹窗

2.随机抽奖

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