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    javascript控制多图左右滚动切换效果代码分享

    2018-04-09 07:41:59 次阅读 稿源:互联网
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    本文实例讲述了js控制多图左右滚动切换效果。分享给大家供大家参考。具体如下:
    这是一款纯js实现点击左右按钮图片自动左右平滑滚动,默认5个一组左右滚动,可以手动修改js参数更改滑动数量。
    运行效果图:-------------------查看效果-------------------

    <head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>js控制多图左右滚动切换效果</title><link href="css/jiaobenzhijia.css" type="text/css" rel="stylesheet" /><script type="text/javascript">window.onload = function () { var oBtnLeft = document.getElementById("goleft"); var oBtnRight = document.getElementById("goright"); var oDiv = document.getElementById("indexmaindiv"); var oDiv1 = document.getElementById("maindiv1"); var oUl = oDiv.getElementsByTagName("ul")[0]; var aLi = oUl.getElementsByTagName("li"); var now = -5 * (aLi[0].offsetWidth + 13); oUl.style.width = aLi.length * (aLi[0].offsetWidth + 13) + 'px'; oBtnRight.onclick = function () { var n = Math.floor((aLi.length * (aLi[0].offsetWidth + 13) + oUl.offsetLeft) / aLi[0].offsetWidth); if (n <= 5) { move(oUl, 'left', 0); } else { move(oUl, 'left', oUl.offsetLeft + now); } } oBtnLeft.onclick = function () { var now1 = -Math.floor((aLi.length / 5)) * 5 * (aLi[0].offsetWidth + 13); if (oUl.offsetLeft >= 0) { move(oUl, 'left', now1); } else { move(oUl, 'left', oUl.offsetLeft - now); } } var timer = setInterval(oBtnRight.onclick, 5000); oDiv.onmouseover = function () { clearInterval(timer); } oDiv.onmouseout = function () { timer = setInterval(oBtnRight.onclick, 5000); }};function getStyle(obj, name) { if (obj.currentStyle) { return obj.currentStyle[name]; } else { return getComputedStyle(obj, false)[name]; }}function move(obj, attr, iTarget) { clearInterval(obj.timer) obj.timer = setInterval(function () { var cur = 0; if (attr == 'opacity') { cur = Math.round(parseFloat(getStyle(obj, attr)) * 100); } else { cur = parseInt(getStyle(obj, attr)); } var speed = (iTarget - cur) / 6; speed = speed > 0 ? 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    以上就是为大家分享的js控制多图左右滚动切换效果代码,希望大家可以喜欢。

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