当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 网页设计中总结的几个有用的JS特效代码

Javascript
jQuery生成asp.net服务器控件的代码
javascript 实现的完全兼容鼠标滚轴缩放图片的代码
JavaScript学习笔记(十七)js 优化
使用SyntaxHighlighter实现HTML高亮显示代码的方法
javascript contains和compareDocumentPosition 方法来确定是否HTML节点间的关系
利用jQuery 实现GridView异步排序、分页的代码
jquery.lazyload 实现图片延迟加载jquery插件
Lazy Load 延迟加载图片的 jQuery 插件
jquery 插件实现图片延迟加载效果代码
javascript小数计算出现近似值的解决办法
jquery1.4后 jqDrag 拖动 不可用
jquery 应用代码 方便的排序功能
选择TreeView控件的树状数据节点的JS方法(jquery)
jquery 图片Silhouette Fadeins渐显效果
JQuery Dialog(JS 模态窗口,可拖拽的DIV)
javascript 同时在IE和FireFox获取KeyCode的代码
js 键盘记录实现(兼容FireFox和IE)
javascript 函数速查表
jQuery AnythingSlider滑动效果插件
经典海量jQuery插件 大家可以收藏一下

Javascript 中的 网页设计中总结的几个有用的JS特效代码


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-28   浏览: 71 ::
收藏到网摘: n/a

  1、以事件驱动JavaScript 函数

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script>
<!--
function hello()
{
aa=100
cc='欢迎第'+aa+'次光临!'
alert(cc)
}
//-->
</script>
</head>
<body >
<a href="网址" onmouseover="hello()"> 网页名</a> 
</body>
</html>

  2、文本域显示内容,但不可修改

<input value="网页名" readonly>

  3、让select控件可以自定义边框

<style>
.box2{border:1px solid #00ff00;width:180px;height:17px;clip:rect(0px,179px,16px,0px);overflow:hidden;}
select{position:relative;left:-2px;top:-2px;font-size:12px;width:183px;line-height:14px;border:0px;color:#909993;}
</style>
<div class=box2><select id=idselect1 onchange="select1();" hidefocus>
<option selected>网页名</option>
<option>网页制作</option>
<option>媒体动画</option>
<option>网站运营<option>
</select></div>

       4、CSS圆角

<html xmlns:v>
<head>
 <style>
 v\:* {behavior: url(#default#VML);}
 </style>
</head>
<body> 
<v:RoundRect style="position:relative;width:200;height:100px">
 <v:shadow on="T" type="single" color="#b3b3b3" offset="5px,5px"/>
 <v:textbox style="font-size:12px">css实现真正的圆角表格</v:textbox>
 </v:RoundRect>
</body>
</html>

  5、建银密码输入器

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<body>
<INPUT 
                  onkeydown=Calc.password.value=this.value title=登录密码
                  onclick="password1=this;showkeyboard();this.readOnly=1;Calc.password.value=''"
                  readOnly type=password maxLength=12
                  onchange=Calc.password.value=this.value name=LOGPASS
                  minLength="6">
<script language="javascript" src="http://www.ruanchen.com/"#ff0000">softkeyboard.js

//定义当前是否大写的状态
window.onload=
 function()
 {
  password1=null;  
  initCalc();
 }

var CapsLockValue=0;

var check;
function setVariables() {
tablewidth=630;  // logo width, in pixels
tableheight=20;  // logo height, in pixels
if (navigator.appName == "Netscape") {
horz=".left";
vert=".top";
docStyle="document.";
styleDoc="";
innerW="window.innerWidth";
innerH="window.innerHeight";
offsetX="window.pageXOffset";
offsetY="window.pageYOffset";
}
else {
horz=".pixelLeft";
vert=".pixelTop";
docStyle="";
styleDoc=".style";
innerW="document.body.clientWidth";
innerH="document.body.clientHeight";
offsetX="document.body.scrollLeft";
offsetY="document.body.scrollTop";
   }
}
function checkLocation() {
if (check) {
objectXY="softkeyboard";
var availableX=eval(innerW);
var availableY=eval(innerH);
var currentX=eval(offsetX);
var currentY=eval(offsetY);
x=availableX-tablewidth+currentX;
//y=availableY-tableheight+currentY;
y=currentY;

evalMove();
}
setTimeout("checkLocation()",0);
}
function evalMove() {
//eval(docStyle + objectXY + styleDoc + horz + "=" + x);
eval(docStyle + objectXY + styleDoc + vert + "=" + y);

}


 self.onError=null;
 currentX = currentY = 0; 
 whichIt = null;          
 lastScrollX = 0; lastScrollY = 0;
 NS = (document.layers) ? 1 : 0;
 IE = (document.all) ? 1: 0;
 function heartBeat() {
  if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
     if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
  if(diffY != lastScrollY) {
                 percent = .1 * (diffY - lastScrollY);
                 if(percent > 0) percent = Math.ceil(percent);
                 else percent = Math.floor(percent);
     if(IE) document.all.softkeyboard.style.pixelTop += percent;
     if(NS) document.softkeyboard.top += percent;
                 lastScrollY = lastScrollY + percent;}
  if(diffX != lastScrollX) {
   percent = .1 * (diffX - lastScrollX);
   if(percent > 0) percent = Math.ceil(percent);
   else percent = Math.floor(percent);
   if(IE) document.all.softkeyboard.style.pixelLeft += percent;
   if(NS) document.softkeyboard.left += percent;
   lastScrollX = lastScrollX + percent; }  }
 function checkFocus(x,y) {
         stalkerx = document.softkeyboard.pageX;
         stalkery = document.softkeyboard.pageY;
         stalkerwidth = document.softkeyboard.clip.width;
         stalkerheight = document.softkeyboard.clip.height;
         if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
         else return false;}
 function grabIt(e) {
     check = false;
  if(IE) {
   whichIt = event.srcElement;
   while (whichIt.id.indexOf("softkeyboard") == -1) {
    whichIt = whichIt.parentElement;
    if (whichIt == null) { return true; } }
   whichIt.style.pixelLeft = whichIt.offsetLeft;
      whichIt.style.pixelTop = whichIt.offsetTop;
   currentX = (event.clientX + document.body.scrollLeft);
      currentY = (event.clientY + document.body.scrollTop);  
  } else {
         window.captureEvents(Event.MOUSEMOVE);
         if(checkFocus (e.pageX,e.pageY)) {
                 whichIt = document.softkeyboard;
                 StalkerTouchedX = e.pageX-document.softkeyboard.pageX;
                 StalkerTouchedY = e.pageY-document.softkeyboard.pageY;} }
     return true; }
 function moveIt(e) {
  if (whichIt == null) { return false; }
  if(IE) {
      newX = (event.clientX + document.body.scrollLeft);
      newY = (event.clientY + document.body.scrollTop);
      distanceX = (newX - currentX);    distanceY = (newY - currentY);
      currentX = newX;    currentY = newY;
      whichIt.style.pixelLeft += distanceX;
      whichIt.style.pixelTop += distanceY;
   if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
   if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
   if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
   if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
   event.returnValue = false;
  } else {
   whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
         if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
         if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
         if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
         if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
         return false;}
     return false; }
 function dropIt() {whichIt = null;
     if(NS) window.releaseEvents (Event.MOUSEMOVE);
     return true; }
 if(NS) {window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
  window.onmousedown = grabIt;
   window.onmousemove = moveIt;
  window.onmouseup = dropIt; }
 if(IE) {
  document.onmousedown = grabIt;
   document.onmousemove = moveIt;
  document.onmouseup = dropIt; }
// if(NS || IE) action = window.setInterval("heartBeat()",1);

 document.write("<DIV align=center id=\"softkeyboard\" name=\"softkeyboard\" style=\"position:absolute; left:0px; top:0px; width:500px; z-index:180;display:none\">  <table id=\"CalcTable\" width=\"\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"\">           <FORM id=Calc name=Calc action=\"\" method=post autocomplete=\"off\">       <tr> <td title=\"尊敬的用户:为了保证您的密码安全,建议使用密码输入器输入密码!\" align=\"right\" valign=\"middle\" bgcolor=\"\" style=\"cursor: default;height:30\"> <INPUT type=hidden value=\"\" name=password>  <INPUT type=hidden value=ok name=action2>&nbsp;&nbsp;&nbsp;密码输入器&nbsp&nbsp&nbsp&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp&nbsp;<INPUT style=\"width:100px;height:20px;background-color:#54BAF1;\" type=button value=\"使用键盘输入\" bgtype=\"1\" onclick=\"password1.readOnly=0;password1.focus();softkeyboard.style.display='none';password1.value='';\"><span style=\"width:2px;\"></span></td>      </tr>      <tr align=\"center\">         <td align=\"center\" bgcolor=\"#FFFFFF\"> <table align=\"center\" width=\"%\" border=\"0\" cellspacing=\"1\" cellpadding=\"0\">\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" ~ \"></td>\n            <td> <input type=button value=\" ! \"></td>\n            <td> <input type=button  value=\" @ \"></td>\n            <td> <input type=button value=\" # \"></td>\n            <td> <input type=button value=\" $ \"></td>\n            <td> <input type=button value=\" % \"></td>\n            <td> <input type=button value=\" ^ \"></td>\n            <td> <input type=button value=\" & \"></td>\n            <td> <input type=button value=\" * \"></td>\n            <td> <input type=button value=\" ( \"></td>\n            <td> <input type=button value=\" ) \"></td>\n            <td> <input type=button value=\" _ \"></td>\n            <td> <input type=button value=\" + \"></td>\n            <td> <input type=button value=\" | \"></td>\n            <td colspan=\"1\" rowspan=\"2\"> <input name=\"button10\" type=button value=\" 退格\" onclick=\"setpassvalue();\"  onDblClick=\"setpassvalue();\" style=\"width:100px;height:42px\"> \n            </td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" ` \"></td>\n            <td> <input type=button value=\" 1 \"></td>\n            <td> <input type=button value=\" 2 \"></td>\n            <td> <input type=button value=\" 3 \"></td>\n            <td> <input type=button value=\" 4 \"></td>\n            <td> <input type=button value=\" 5 \"></td>\n            <td> <input type=button value=\" 6 \"></td>\n            <td> <input type=button value=\" 7 \"></td>\n            <td> <input type=button value=\" 8 \"></td>\n            <td> <input type=button value=\" 9 \"></td>\n            <td> <input name=\"button6\" type=button value=\" 0 \"></td>\n            <td> <input type=button value=\" - \"></td>\n            <td> <input type=button value=\" = \"></td>\n            <td> <input type=button value=\" \\ \"></td>\n            <td> </td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" q \"></td>\n            <td> <input type=button value=\" w \"></td>\n            <td> <input type=button value=\" e \"></td>\n            <td> <input type=button value=\" r \"></td>\n            <td> <input type=button value=\" t \"></td>\n            <td> <input type=button value=\" y \"></td>\n            <td> <input type=button value=\" u \"></td>\n            <td> <input type=button value=\" i \"></td>\n            <td> <input type=button value=\" o \"></td>\n            <td> <input name=\"button8\" type=button value=\" p \"></td>\n            <td> <input name=\"button9\" type=button value=\" { \"></td>\n            <td> <input type=button value=\" } \"></td>\n            <td> <input type=button value=\" [ \"></td>\n            <td> <input type=button value=\" ] \"></td>\n            <td><input name=\"button9\" type=button onClick=\"capsLockText();setCapsLock();\"  onDblClick=\"capsLockText();setCapsLock();\" value=\"切换大/小写\" style=\"width:100px;\"></td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" a \"></td>\n            <td> <input type=button value=\" s \"></td>\n            <td> <input type=button value=\" d \"></td>\n            <td> <input type=button value=\" f \"></td>\n            <td> <input type=button value=\" g \"></td>\n            <td> <input type=button value=\" h \"></td>\n            <td> <input type=button value=\" j \"></td>\n            <td> <input name=\"button3\" type=button value=\" k \"></td>\n            <td> <input name=\"button4\" type=button value=\" l \"></td>\n            <td> <input name=\"button5\" type=button value=\" : \"></td>\n            <td> <input name=\"button7\" type=button value=\" &quot; \"></td>\n            <td> <input type=button value=\" ; \"></td>\n            <td> <input type=button value=\" ' \"></td>\n            <td rowspan=\"2\" colspan=\"2\"> <input name=\"button12\" type=button onclick=\"OverInput();\" value=\"   确定  \" style=\"width:130px;height:42\"></td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input name=\"button2\" type=button value=\" z \"></td>\n            <td> <input type=button value=\" x \"></td>\n            <td> <input type=button value=\" c \"></td>\n            <td> <input type=button value=\" v \"></td>\n            <td> <input type=button value=\" b \"></td>\n            <td> <input type=button value=\" n \"></td>\n            <td> <input type=button value=\" m \"></td>\n            <td> <input type=button value=\" &lt; \"></td>\n            <td> <input type=button value=\" &gt; \"></td>\n            <td> <input type=button value=\" ? \"></td>\n            <td> <input type=button value=\" , \"></td>\n            <td> <input type=button value=\" . \"></td>\n            <td> <input type=button value=\" / \"></td>\n          </tr>\n        </table></td>    </FORM>      </tr>  </table></DIV>")
//给输入的密码框添加新值
 function addValue(newValue)
 {
  if (CapsLockValue==0)
  {
   var str=Calc.password.value;
   if(str.length<password1.maxLength)
   {
    Calc.password.value += newValue;
   }   
   if(str.length<=password1.maxLength)
   {
    password1.value=Calc.password.value;
   }
  }
  else
  {
   var str=Calc.password.value;
   if(str.length<password1.maxLength)
   {
    Calc.password.value += newValue.toUpperCase();
   }
   if(str.length<=password1.maxLength)
   {
    password1.value=Calc.password.value;
   }
  }
 }
//实现BackSpace键的功能
 function setpassvalue()
 {
  var longnum=Calc.password.value.length;
  var num
  num=Calc.password.value.substr(0,longnum-1);
  Calc.password.value=num;
  var str=Calc.password.value;
   password1.value=Calc.password.value;
 }
//输入完毕
 function OverInput()
 {
  //m_pass.mempass.value=Calc.password.value;
  var str=Calc.password.value;
   password1.value=Calc.password.value;
   //alert(theForm.value);
  //theForm.value=m_pass.mempass.value;
  softkeyboard.style.display="none";
  Calc.password.value="";
  password1.readOnly=1;
  //password1.value=Calc.password.value;
 }
//关闭软键盘
 function closekeyboard(theForm)
 {
  //eval("var theForm="+theForm+";");
  //theForm.value="";
  softkeyboard.style.display="none";
  //Calc.password.value="";

 }
//显示软键盘
 function showkeyboard()
 {
  if(event.y+140)
  softkeyboard.style.top=event.y+document.body.scrollTop+15;

  if((event.x-250)>0)
  {
   softkeyboard.style.left=event.x-250;
  }
  else
  {
   softkeyboard.style.left=0;
  }
  
  softkeyboard.style.display="block";
  password1.readOnly=1;
  password1.blur();
  //password1.value="";
 }

//设置是否大写的值
function setCapsLock()
{
 if (CapsLockValue==0)
 {
  CapsLockValue=1
//  Calc.showCapsLockValue.value="当前是大写 ";
 }
 else
 {
  CapsLockValue=0
//  Calc.showCapsLockValue.value="当前是小写 ";
 }
}


function setCalcborder()
{
 CalcTable.style.border="1px solid #0090FD"
}

function setHead()
{
 CalcTable.cells[0].style.backgroundColor="#7EDEFF" 
}

function setCalcButtonBg()
{
 for(var i=0;i<Calc.elements.length;i++)
 {
  if(Calc.elements[i].type=="button"&&Calc.elements[i].bgtype!="1")
  {
 //  if(i==10)
// alert(123);
   Calc.elements[i].style.borderTopWidth= 0
   Calc.elements[i].style.borderRightWidth= 2
   Calc.elements[i].style.borderBottomWidth= 2
   Calc.elements[i].style.borderLeftWidth= 0
   Calc.elements[i].style.borderTopStyle= "none";
   Calc.elements[i].style.borderRightStyle= "solid";
   Calc.elements[i].style.borderBottomStyle= "solid";
   Calc.elements[i].style.borderLeftStyle= "none";
   //#46AC17
   Calc.elements[i].style.borderTopColor= "#118ACC";
   Calc.elements[i].style.borderRightColor= "#118ACC";
   Calc.elements[i].style.borderBottomColor= "#118ACC";
   Calc.elements[i].style.borderLeftColor= "#118ACC";
   //#CBF3B2
   Calc.elements[i].style.backgroundColor="#ADDEF8";

   
   
   var str1=Calc.elements[i].value;
   str1=str1.trim();
   /*
   if(str1=="`")
   {
    Calc.elements[i].style.fontSize=14;
   }
   */

   if(str1.length==1)
   {
    //Calc.elements[i].style.fontSize=16;
    //Calc.elements[i].style.fontWeight='bold';
   }
   
   var thisButtonValue=Calc.elements[i].value;
   thisButtonValue=thisButtonValue.trim();
   if(thisButtonValue.length==1)
   {
    Calc.elements[i].onclick=
     function ()
     {
      var thisButtonValue=this.value;
      thisButtonValue=thisButtonValue.trim();
      addValue(thisButtonValue);
      //alert(234)
     }
    Calc.elements[i].ondblclick=
     function ()
     {
      var thisButtonValue=this.value;
      thisButtonValue=thisButtonValue.trim();
      addValue(thisButtonValue);
      //alert(234)
     }
   }
   
  }
 }
}

function initCalc()
{
 setCalcborder();
 setHead();
 setCalcButtonBg();
}

String.prototype.trim = function()
{
    // 用正则表达式将前后空格
    // 用空字符串替代。
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

var capsLockFlag;
capsLockFlag=true;

function capsLockText()
{
if(capsLockFlag)//改成大写
{
 for(var i=0;i<Calc.elements.length;i++)
 {
   var char=Calc.elements[i].value;
   var char=char.trim()
  if(Calc.elements[i].type=="button"&&char>="a"&&char<="z"&&char.length==1)
  {
  
   Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)-32)+" "
  }
 }
}
else
{
 for(var i=0;i<Calc.elements.length;i++)
 {
   var char=Calc.elements[i].value;
   var char=char.trim()
  if(Calc.elements[i].type=="button"&&char>="A"&&char<="Z"&&char.length==1)
  {
  
   Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)+32)+" "
  }
 }
}
capsLockFlag=!capsLockFlag;
}