cai niaoyihao_的博客：js漂浮广告

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cai niaoyihao_的博客：js漂浮广告

作者：[db:作者] 时间：2021-07-05 09:51

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <title>漂浮广告</title>
    <style>
        html,
        body {
            width: 100%;
            height: 100%;
        }
        
        * {
            margin: 0;
            padding: 0;
        }
        
        div#roll {
            width: 120px;
            height: 100px;
            text-align: center;
            line-height: 100px;
            /* background: radial-gradient(red, orange, yellow, green, blue, purple); */
            background: #999;
            color: #ffd;
            position: absolute;
        }
    </style>
</head>

<body>
    <div id="roll"><a>点我试试</a></div>

    <script type="text/javascript">
        var ggRoll = {
            roll: document.getElementById("roll"),
            speed: 30,
            statusX: 1,
            statusY: 1,
            x: 100,
            y: 300,
            winW: document.documentElement.clientWidth - roll.offsetWidth,
            winH: document.documentElement.clientHeight - roll.offsetHeight,
            Go: function() {
                this.roll.style.left = this.x + 'px';
                this.roll.style.top = this.y + 'px';


                this.x = this.x + (this.statusX ? -1 : 1)
                if (this.x < 0) {
                    this.statusX = 0
                }
                if (this.x > this.winW) {
                    this.statusX = 1
                }


                this.y = this.y + (this.statusY ? -1 : 1)
                if (this.y < 0) {
                    this.statusY = 0
                }
                if (this.y > this.winH) {
                    this.statusY = 1
                }
            }
        }
        var interval = setInterval("ggRoll.Go()", ggRoll.speed);
        ggRoll.roll.onmouseover = function() {
            clearInterval(interval);
            document.querySelector('#roll').innerHTML = "点其他位置试试"
        };
        ggRoll.roll.onmouseout = function() {
            interval = setInterval("ggRoll.Go()", ggRoll.speed);
            document.querySelector('#roll').innerHTML = "再点我试试"
        };
    </script>

</body>

</html>