首页
所有分类
TAGS
文字工具 EMOJI BIBLE
编程 Javascript

JS打字效果的动态菜单代码分享

Posted in Javascript onAugust 21, 2015

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。

运行效果图：----------------------查看效果-----------------------

JS打字效果的动态菜单代码分享

小提示：浏览器中如果不能正常运行，可以尝试切换浏览模式。
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="(.*)"/.exec(c)[1];
    img.src = s;
    var hs = Math.max(0, img.height - (h * 10)) / 16;
    h = Math.round(img.height / 10);
    // free space
    for (var n = 0; n < hs; n ++)
    {
    c = "<br>";
    this.textT.push(c);
    }
    // href
    var h1 = (href != "") ? "<a href='" + href + "'" + (tg ? " target ='" + tg + "'" : "") +">" : "";
    var h2 = (href != "") ? "</a>" : "";
    // download image
    this.textT.push(h1);
    for (var n = 0; n < 10; n ++)
    {
    c = h1 + "<img style='position:absolute;left:" + li + "px;top:" + 24 + "px;clip:rect(" + (n * h) + " auto " + ((n + 1) * h) + " auto)' src='" + s + "'>" + h2;
    this.textT.push(c);
    }
    ti += h * 11;
    li += img.width + 10;
   }
   }
   m += c;
   i ++;
   k = 0;
  }
  while (c != " ");
  href = "";
  c = "<br>";
  }
  k ++;
  if (m != "")
  {
  this.textT.push(m);
  }
 }
 }

 // ---- title click event ----
 this.click = function()
 {
 // clear node & children
 function clearNode(theNode, clearTitle)
 {
  // recursive call
  for (var i = theNode.child.length - 1; i >= 0; i --)
  {
  clearNode(theNode.child[i], true);
  }
  // clear selected style
  theNode.spanTitle.className = "title";
  if (clearTitle)
  {
  // clear title
  toff.push([theNode, 0]);
  }
  if (theNode.visibility)
  {
  // clear content
  toff.push([theNode, 1]);
  theNode.visibility = false;
  }
 }

 // Node not being displayed
 if (sD == false)
 {
  if ( ! this.visibility)
  {
  // style selected
  this.spanTitle.className = "title selected";
  // ---- clear node
  for (var i in node)
  {
   if (i != this.N && node[i].level == this.level && node[i].visibility)
   {
   clearNode(node[i], false);
   }
  }
  // ---- display node
  disp.push([this, 1]); // content
  for (var i = 0, len = this.child.length; i < len; i ++)
  {
   disp.push([this.child[i], 0]); // children titles
  }
  this.visibility = true;
  }
 }
 else
 {
  // waiting loop
  setTimeout("node[" + this.N + "].click();", 64);
 }
 }
}

/////////////////////////////////////////////////////////////////////////////////////////

// ---- display routine ----
function screenUpdate()
{
 // ---- display node ----
 if (sD != false)
 {
 // remove cursor
 if (cur)
 {
  sD[0].removeChild(cur);
  cur = false;
 }
 // insert loading sign
 if (sD[3] && ! sD[2])
 {
  cls = document.createElement("span");
  cls.data = "1";
  sD[0].appendChild(cls);
 }
 // display text
 txt = document.createElement("span");
 txt.innerHTML = sD[1][sD[2] ++];
 if (sD[2] < sD[1].length)
 {
  txt.innerHTML += " ";
 }
 sD[0].appendChild(txt);
 // cursor
 cur = document.createElement("span");
 cur.className = "cursor";
 cur.innerHTML = " ";
 sD[0].appendChild(cur);
 // rotate loading sign
 if (cls)
 {
  cls.innerHTML = " " + lD.charAt(sD[2] % 4);
 }
 // done
 if (sD[2] >= sD[1].length)
 {
  if (cur)
  {
  sD[0].removeChild(cur);
  cur = false;
  }
  if (cls)
  {
  cls.innerHTML = " >";
  cls = false;
  }
  sD = false;
 }
 }
 else
 {
 // read buffer
 if (disp[0] != undefined)
 {
  // something to display
  p = disp.shift();
  sD = [
  p[1] ? p[0].spanText : p[0].spanTitle,
  p[1] ? p[0].textT : p[0].titleT,
  0,
  p[1] && p[0].spanTitle ? 1 : 0
  ];
 }
 }

 // ---- clear node ----
 if (sT != false)
 {
 if (sT.lastChild)
 {
  if (clt != false)
  {
  clt.innerHTML = (clt.innerHTML == "?<") ? " <" : "?<";
  }
  sT.removeChild(sT.lastChild);
 }
 else
 {
  sT = false;
 }
 }
 else
 {
 // read buffer
 if (toff[0] != undefined)
 {
  p = toff.shift();
  if ( ! p[0].spanTitle)
  {
  // do not clear node w/o title
  sT = false;
  }
  else
  {
  // something to clear
  sT = p[1] ? p[0].spanText: p[0].spanTitle;
  // init unloading tag
  clt = false;
  if (sT.firstChild && sT.firstChild.data == "1")
  {
   clt = sT.firstChild;
   clt.innerHTML = "?<";
  }
  // unless not yet displayed
  if (sT.innerHTML == "")
  {
   sT = false;
  }
  }
 }
 }
 // auto-scrolling
 menu.scrollTop+=dS*Math.round((menu.scrollHeight-menu.scrollTop+menu.offsetHeight)/sS);
 // 15.625 hertz loop
 setTimeout("screenUpdate()", 64);
}

/////////////////////////////////////////////////////////////////////////////////////////

onload = function()
{
 // ---- create node objects ----
 function setMenuTree(theNode, level, parent)
 {
 if (theNode.className == "node")
 {
  parent = new Cnode(parent, theNode, level ++);
  node.push(parent);
 }
 // recursive call
 for (var i = 0, len = theNode.childNodes.length; i < len; i ++)
 {
  setMenuTree(theNode.childNodes[i], level, parent);
 }
 }

 // ---- initialize menu
 menu = document.getElementById("menu");
 cMenu = document.createElement("span");
 setMenuTree(menu, 0, 0);
 menu.innerHTML = "";
 menu.appendChild(cMenu);
 menu.style.visibility = "visible";

 // ---- display titles
 for (i in node)
 {
 if (node[i].level == 0)
 {
  disp.push([node[i], node[i].titleT != "" ? 0 : 1]);
 }
 }

 screenUpdate();
}

/////////////////////////////////////////////////////////////////////////////////////////
//-->
</script>
</head>

<body>
<div id="menu">
 <span class="node">
    **** TELETYPE MENU V1 ****<br>
  16K RAM SYSTEM 7892 BASIC BYTES FREE<br>
 READY.<br><br>
 Hello. Please select an option:
 <br><br>
 </span>
 <span class="node" title="[E-mail]">
 <span class="node" title="[Inbox]"> You have 3 messages waiting.
  <span class="node" title="[Truman McCollum]"><br>I have always worried about my size. 3 months ago I found The Extender. I could not believe the results of this device. I am back to wearing it again and I'm still getting larger! My girlfriend says it is the best product I've ever bought.<br></span>
  <span class="node" title="[Encyclopedic L. Rills]"><br>YOU'VE HEARD ABOUT IT<br>YOU'VE READ ABOUT IT<br>YOU'VE SEEN IT ON TV<br>AND NOW IT'S FINALLY HERE!<br>THE MOST EFFECTIVE WEIGHT-LOSS INGREDIENT EVER TO HIT THE MARKET IS NOW AVAILABLE FROM NITHRUTHON!!!!<br></span>
  <span class="node" title="[Punitive H. Unpolluted]"><br>Get the Finest Rulex Watch Replica!<br>- Replicated to the Smallest Detail<br>- 98% Perfectly Accurate Markings<br>- perfect as a gift for your colleagues and friends<br>- free gift box<br>Make your order before the prices go up!!!!!<br>
 </span>
 </span>
 <span class="node" title="[Outbox]">
  There are no items to show in this view.
 </span>
 </span>
 <span class="node" title="[Images]">

 <span class="node" title="[My laptop]">Yes I know, I should upgrade... <img src="80552_brd.gif"></span>
 <span class="node" title="[Me]">404 error... <img src="Foucault.gif"></span>
 <span class="node" title="[colors]">Color schemes
  <span class="node" title="[green]"><a target="_blank" href="http://www.dhteumeuleu.com"><img src="03_green.gif"></a></span>
  <span class="node" title="[olive]"><img src="olive.gif"><img src="olive.gif"></span>
  <span class="node" title="[october]"><img src="october2.gif"></span>
 </span>
 </span>
 <span class="node" title="[Quotes]">
 <span class="node" title="[01]">
  And why use a GUI when you can perl -e '$n=1; while ($n++) {print "\n$n" if ("p" x $n) !~ /^((p)\2+)\1+$/ and "$n" eq reverse "$n"}'?
  <span class="node" title="[run]">[an error occurred while processing this directive]</span>
 </span>
 <span class="node" title="[02]">
  Cogito cogito ergo cogito sum. I think that I think, therefore I think that I am.
 </span>
 <span class="node" title="[03]">
  Computer's rule:
  <span class="node" title="[Rule #1]">My computer is always right, the human is always the problem ..</span>
  <span class="node" title="[Rule #2]">See Rule #1</span>
 </span>
 </span>
 <span class="node">
 --<br>Best viewed on my computer.
 </span>
</div>
<div id="up" onClick="return false;" onMouseDown="sS=50;dS=-1;return false;" onMouseUp="dS=0;return false;">·</div>
<div id="down" onClick="return false;" onMouseDown="sS=50;dS=1;return false;" onMouseUp="dS=0;return false;">·</div>

</body>
</html>

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。

JS打字效果的动态菜单代码分享

- Author -

lijiao

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

Javascript 相关文章推荐
JavaScript 利用Cookie记录用户登录信息
Dec 08 Javascript
jquery tab插件精简版分享
Sep 10 Javascript
jQuery图片的展开和收缩实现代码
Apr 16 Javascript
javascript实现的元素拖动函数宿主为浏览器
Jul 21 Javascript
分享一款基于jQuery的视频播放插件
Oct 09 Javascript
Javascript非构造函数的继承
Apr 27 Javascript
详解JavaScript中的异常处理方法
Jun 16 Javascript
javascript定义类和类的实现实例详解
Dec 01 Javascript
微信小程序 video详解及简单实例
Jan 16 Javascript
webpack结合express实现自动刷新的方法
May 07 Javascript
a标签调用js的方法总结
Sep 05 Javascript
实现一个简单得数据响应系统
Nov 11 Javascript
JS实现表单中checkbox对勾选中增加边框显示效果
Aug 21 #Javascript
jQuery实现动态表单验证时文本框抖动效果完整实例
Aug 21 #Javascript
HTML5之WebSocket入门3 -通信模型socket.io
Aug 21 #Javascript
JavaScript实现为input与textarea自定义hover,focus效果的方法
Aug 21 #Javascript
IE7浏览器窗口大小改变事件执行多次bug及IE6/IE7/IE8下resize问题
Aug 21 #Javascript
jQuery+html5+css3实现圆角无刷新表单带输入验证功能代码
Aug 21 #Javascript
jquery结婚电子请柬特效源码分享
Aug 21 #Javascript
读取(1) 音频(1) 数据保存(1) 矩阵(1) agg(1) pandas(7) 数据处理(2) apply(1) mp3Play(1) 数组(5)
You might like
PHP&amp;MYSQL服务器配置说明
2006/10/09 PHP
PHP匿名函数和use子句用法实例
2016/03/16 PHP
PHP5.4起内置web服务器使用方法
2016/08/09 PHP
PHP 根据key 给二维数组分组
2016/12/09 PHP
Laravel中9个不经常用的小技巧汇总
2019/04/16 PHP
微信小程序发送订阅消息的方法(php 为例)
2019/10/30 PHP
JS Pro-深入面向对象的程序设计之继承的详解
2013/05/07 Javascript
js判断鼠标同时离开两个div的思路及代码
2013/05/31 Javascript
对比分析json及XML
2014/11/28 Javascript
javascript去除空格方法小结
2015/05/21 Javascript
js 中获取制定的cook信息实现方法
2016/11/19 Javascript
vue中v-for加载本地静态图片方法
2018/03/03 Javascript
微信小程序实现多选删除列表数据功能示例
2019/01/15 Javascript
一篇文章弄懂javascript中的执行栈与执行上下文
2019/08/09 Javascript
微信小程序全选多选效果实现代码解析
2020/01/21 Javascript
javascript设计模式 ? 迭代器模式原理与用法实例分析
2020/04/17 Javascript
js实现简单的无缝轮播效果
2020/09/05 Javascript
[01:11:32]VG vs FNATIC 2019国际邀请赛小组赛 BO2 第二场 8.15
2019/08/17 DOTA
Python实现去除代码前行号的方法
2015/03/10 Python
Python获取系统默认字符编码的方法
2015/06/04 Python
浅谈python中的面向对象和类的基本语法
2016/06/13 Python
Python设计足球联赛赛程表程序的思路与简单实现示例
2016/06/28 Python
Python实现FTP上传文件或文件夹实例（递归）
2017/01/16 Python
Python KMeans聚类问题分析
2018/02/23 Python
Python高级特性与几种函数的讲解
2019/03/08 Python
python3实现二叉树的遍历与递归算法解析(小结)
2019/07/03 Python
win10子系统python开发环境准备及kenlm和nltk的使用教程
2019/10/14 Python
基于Python fminunc 的替代方法
2020/02/29 Python
pycharm下pyqt4安装及环境配置的教程
2020/04/24 Python
整理HTML5移动端开发的常用触摸事件
2016/04/15 HTML / CSS
麦当劳辞职信范文
2014/01/18 职场文书
竞选班干部演讲稿300字
2014/08/20 职场文书
2014幼儿园家长工作总结
2014/11/10 职场文书
写给医院的感谢信
2015/01/22 职场文书
2015年敬老院工作总结
2015/05/18 职场文书
SQL语句多表联合查询的方法示例
2022/04/18 MySQL