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这是一款基于javascript实现的打字效果的动态菜单特效代码,分享给大家学习学习。
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为大家分享的JS打字效果的动态菜单代码如下
<html> <head> <title>JS打字效果的动态菜单</title> <meta http-equiv="imagetoolbar" content="no"> <style type="text/css"> body { background: #222; overflow: hidden; line-height: 18px; left: 0; top: 0; width: 100%; height: 100%; margin: 0; padding: 0; } .node { margin-left: 30px; height: expression(0); /* IE only */ } .title { position: relative; background: #fff; color: #000; cursor: pointer; } .selected { background: #f00; color: #fff; } .hover { background: #666; color: #fff; } .content { position: relative; background: #000; color: #fff; } .cursor { background: #f00; width: 10; height: 8; font-size: 12px; } #menu { visibility: hidden; position: absolute; left: 1%; top: 1%; width: 98%; height: 98%; background: #000; font-family: 'courier new', typewriter, matrix, monospace; font-size: 12px; overflow: hidden; } #up { position:absolute; right:0; top:0; color:#000; background:#fff; cursor:pointer; font-family: 'courier new', typewriter, matrix, monospace; font-size: 18px; } #down { position:absolute; right:0; bottom:0; color:#000; background:#fff; cursor:pointer; font-family: 'courier new', typewriter, matrix, monospace; font-size: 18px; } a { text-decoration: none; background: #888; color: #000; } img { border: none; } a:hover { text-decoration: none; background: #fff; color: #000; } </style> <script type="text/javascript"><!-- // =========================================================== // var menu, cMenu; var cur = false; var node = []; var disp = []; var toff = []; var sD = false; var sT = false; var lD = "|/-\\"; var cls = false; var clt = false; var dS = 1; var sS = 200; ///////////////////////////////////////////////////////////////////////////////////////// // ---- create node prototype ---- function Cnode(parent, theNode, level) { this.level = level; this.child = []; this.visibility = false; this.N = node.length; if (parent == 0) { // root o = cMenu; } else { // set children o = parent.span; parent.child.push(this); } // create HTML elements this.span = document.createElement("div"); this.span.className = "node"; if (theNode.title != "") { this.spanTitle = document.createElement("span"); this.spanTitle.parent = this; this.spanTitle.className = "title"; this.spanTitle.onclick = new Function("sS=200;dS=1;node[" + this.N + "].click();"); this.spanTitle.onmousedown = new Function("return false;"); this.spanTitle.onmouseover = new Function("if(!this.parent.visibility)this.className='title hover'"); this.spanTitle.onmouseout = new Function("if(!this.parent.visibility)this.className='title'"); this.span.appendChild(this.spanTitle); // split title (no HTML) this.titleT = theNode.title.split(" "); } else { // no title this.spanTitle = false; this.visibility = true; this.titleT = ""; } this.spanText = document.createElement("span"); this.spanText.className = "content"; this.span.appendChild(this.spanText); o.appendChild(this.span); // remove children nodes var temp = theNode.cloneNode(true); var ti = 24; var li = 0; var h = 0; var href = ""; var tg = ""; for (var i = 0; i < temp.childNodes.length; i ++) { theNodeChild = temp.childNodes[i]; if (theNodeChild.className == "node") { temp.removeChild(theNodeChild); i --; } } // split content (don't break HTML tags) this.textT = []; var i = 0; var k = - 1; var txt = temp.innerHTML + " "; if (txt == " ") { this.textT.push(" "); } else { while (i < txt.length - 1 && k < 10) { c = txt.charAt(i); m = i "" : this.spanTitle " " : ""; if (c != " ") { do { c = txt.charAt(i); if (c == "<") { j = txt.indexOf(">", i); c = txt.substring(i, j + 1); i = j; // ---- hyperlink images if (c.substring(0, 2).toLowerCase() == "<a") { tg = /target="(.*)" /.exec(c); if (tg) tg = tg[1]; else { tg = /target=(.*)>/.exec(c); if (tg) tg = tg[1]; } href = /href="(.*)"/.exec(c)[1]; } // ---- image if (c.substring(0, 4).toLowerCase() == "<img") { var img = document.createElement("img"); s = /src="/UploadFiles/2021-04-02/(.*)">以上就是为大家分享的JS打字效果的动态菜单代码,希望大家可以喜欢。
标签:
JS,打字效果,动态菜单
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RTX 5090要首发 性能要翻倍!三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
首次推出的GDDR7内存模块密度为16GB,每个模块容量为2GB。其速度预设为32 Gbps(PAM3),但也可以降至28 Gbps,以提高产量和初始阶段的整体性能和成本效益。
据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。