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
IE8 原生JSON支持
iframe 自适应高度[在IE6 IE7 FF下测试通过]
javascript 清除输入框中的数据
IE和FireFox(FF)中js和css的不同
JavaScript asp.net 获取当前超链接中的文本
用JavaScript页面不刷新时全选择,全删除(GridView)
JavaScript获取GridView选择的行内容
javaScript 读取和设置文档元素的样式属性
js select 控制实现代码
javascript 类方法定义还是有点区别
jQuery 绝对入门
网页开发中的容易忽略的问题 javascript HTML中的table
childNodes 用法两例
js 只能输入数字和小数点的文本框改进版
javascript 09年最新版的省市联动
jquery 实现的全选和反选
js 拖拽翻页实现代码
保证JavaScript和Asp、Php等后端程序间传值编码统一
JavaScript 无符号右移赋值操作
JavaScript 无符号右移运算符

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: 118 ::
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;
}