Jquery回到顶部插件【query.scrollUp.js】使用

时间：2022-09-19 01:36:04
<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8" />

    <meta name="generator" content="58IMG.COM" />

    <title>jQuery返回顶部插件-jquery.scrollUp.min.js</title>

    <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>

<!-- 回到顶部 jquery插件 -->

<script src="https://cdn.bootcss.com/scrollup/2.4.1/jquery.scrollUp.min.js"></script>

    <style type="text/css">

        .content { height: 1500px; }

        #scrollUp { background-image: url("top.png"); bottom: 20px; right: 20px; width: 38px; height: 38px; }

    </style>

</head>

<body>

    <div class="content"></div>

    <script type="text/javascript">

        $(function () {

            //scrollup

            $.scrollUp({

                scrollName: 'scrollUp', // Element ID

                topDistance: '300', // Distance from top before showing element (px)

                topSpeed: 300, // Speed back to top (ms)

                animation: 'fade', // Fade, slide, none

                animationInSpeed: 200, // Animation in speed (ms)

                animationOutSpeed: 200, // Animation out speed (ms)

                scrollText: '', // Text for element

                activeOverlay: false, // Set CSS color to display scrollUp active point, e.g '#00FFFF'

            });

        });

    </script>

</body>

</html>

除以上代码还需引入一张点击的图标图片，Jquery回到顶部插件【query.scrollUp.js】使用

最新学习canvas,可以利用canvas绘制向上箭头的图标，代替 箭头图片：【推荐】

代码：

<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8" />

    <meta name="generator" content="58IMG.COM" />

    <title>jQuery返回顶部插件-jquery.scrollUp.min.js</title>

    <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>

<!-- 回到顶部 jquery插件 -->

<script src="https://cdn.bootcss.com/scrollup/2.4.1/jquery.scrollUp.min.js"></script>

    <style type="text/css">

        .content { height: 1500px; }

        #scrollUp { background-color:#454545; border-radius:30px; bottom: 20px; right: 20px; width: 38px; height: 38px; }

    </style>

</head>

<body>

    <div class="content">

    </div>

    <script type="text/javascript">

        $(function () {

            //scrollup background-image: url("top.png");

            $.scrollUp({

                scrollName: 'scrollUp', // Element ID

                topDistance: '300', // Distance from top before showing element (px)

                topSpeed: 300, // Speed back to top (ms)

                animation: 'fade', // Fade, slide, none

                animationInSpeed: 200, // Animation in speed (ms)

                animationOutSpeed: 200, // Animation out speed (ms)

                scrollText: '<canvas id="cvs" width="38px;" height="38px;" ></canvas>', // Text for element

                activeOverlay: false, // Set CSS color to display scrollUp active point, e.g '#00FFFF'

            });

            var canvas = document.getElementById('cvs');

            cxt=canvas.getContext('2d');

            cxt.beginPath();

            cxt.lineCap = 'round';//圆线头

            cxt.moveTo(13, 22);

            cxt.lineTo(19,14);

            cxt.lineTo(25,22);

            cxt.strokeStyle = "#FBFBFB";

            cxt.lineWidth = 3;

            cxt.stroke();

        });

    </script>

</body>

</html>

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