JS实现的适合做faq或menu滑动效果示例

日期：2020-06-14 栏目：程序人生浏览：次

<!CTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt--> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css">  </style> <script type="text/javascript"> //<![CDATA[ window.onload = function() { rolinTab("rolin") } function rolinTab(obj) { var list = $(obj).getElementsByTagName("LI"); var state = {show:false,hidden:false,showObj:false}; for (var i=0; i<list.length; i++) { var tmp = new rolinItem(list[i],state); if (i == 0) tmp.pShow(); } } function rolinItem(obj,state) { var speed = 0.0666; var range = 1; var interval; var tarH; var tar = this; var head = getFirstChild(obj); var content = getNextChild(head); var isOpen = false; this.pHidden = function() { if (isOpen) hidden(); } this.pShow = show; var baseH = content.offsetHeight; content.style.display = "none"; var isOpen = false; head.onmouseover = function() { this.style.background = "#EFEFEF"; } head.onmouseout = mouseout; head.onclick = function() { this.style.background = "#EFEFEF"; if (!state.show && !state.hidden) { if (!isOpen) { head.onmouseout = null; show(); } else { hidden(); } } } function mouseout() { this.style.background = "#FFF" } function show() { head.style.borderBottom = "1px solid #DADADA"; state.show = true; if (state.openObj && state.openObj != tar ) { state.openObj.pHidden(); } content.style.height = "0px"; content.style.display = "block"; content.style.overflow = "hidden"; state.openObj = tar; tarH = baseH; interval = setInterval(move,10); } function showS() { isOpen = true; state.show = false; } function hidden() { state.hidden = true; tarH = 0; interval = setInterval(move,10); } function hiddenS() { head.style.borderBottom = "none"; head.onmouseout = mouseout; head.onmouseout(); content.style.display = "none"; isOpen = false; state.hidden = false; } function move() { var dist = (tarH - content.style.height.pxToNum())*speed; if (Math.abs(dist) < 1) dist = dist > 0 ? 1: -1; content.style.height = (content.style.height.pxToNum() + dist) + "px"; if (Math.abs(content.style.height.pxToNum() - tarH) <= range ) { clearInterval(interval); content.style.height = tarH + "px"; if (tarH != 0) { showS() } else { hiddenS(); } } } } var $ = function($) {return document.getElementById($)}; String.prototype.pxToNum = function() {return Number(this.replace("px",""))} function getFirstChild(obj) { var result = obj.firstChild; while (!result.tagName) { result = result.nextSibling; } return result; } function getNextChild(obj) { var result = obj.nextSibling; while (!result.tagName) { result = result.nextSibling; } return result; } //]]> </script> <ul> <li> <h2>脚本之家 1</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> <li> <h2>脚本之家 2</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> <li> <h2>脚本之家 3</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> <li> <h2>脚本之家 4</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> <li> <h2>脚本之家 5</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> <li> <h2>脚本之家 6</h2> <div <p>脚本之家--专业IT综合性网站<br /><br /><a target="_blank" href="https://www.jb51.net/">https://www.jb51.net/</a></p> </div> </li> </ul>

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JS实现的适合做faq或menu滑动效果示例

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