js技巧收集(200多个) 超强推荐" target="_blank">js技巧收集(200多个) 超强推荐


1.文本框焦点问题
onBlur:当失去输入焦点后产生该事件
onFocus:当输入获得焦点后,产生该文件
Onchange:当文字值改变时,产生该事件
Onselect:当文字加亮后,产生该文件

<input type="text" value="郭强" onfocus="if(value=='郭强') {value=''}" onblur="if
(value=='') {value='郭强'}">点击时文字消失,失去焦点时文字再出现


2.网页按钮的特殊颜色
<input type=button name="Submit1" value="郭强" size=10 class=s02

style="background-color:rgb(235,207,22)">

3.鼠标移入移出时颜色变化
<input type="submit" value="找吧" name="B1" onMouseOut=this.style.color="blue"

onMouseOver=this.style.color="red" class="button">

4.平面按钮
<input type=submit value=订阅 style="border:1px solid :#666666; height:17px; width:25pt; font-size:9pt;

BACKGROUND-COLOR: #E8E8FF; color:#666666" name="submit">

5.按钮颜色变化
<input type=text name="nick" style="border:1px solid #666666; font-size:9pt; height:17px;

BACKGROUND-COLOR: #F4F4FF; color:#ff6600" size="15" maxlength="16">

6.平面输入框
<input type="text" name="T1" size="20" style="border-style: solid; border-width: 1">

7.使窗口变成指定的大小
<script>
window.resizeTo(300,283);
</script>

8.使文字上下滚动
<marquee direction=up scrollamount=1 scrolldelay=100 onmouseover='this.stop()' onmouseout='this.start()'

height=60>
<!-- head_scrolltext -->
<tr>
<td>
共和国
</table> <!-- end head_scrolltext -->
</marquee>

9.状态栏显示该页状态
<base onmouseover="window.status='网站建设 http://www.webmake.cn/' ;return true">

10.可以点击文字实现radio选项的选定
<br>
<input type="radio" name="regtype" value="A03" id="A03">
<label for="A03"> 情侣 : 一次注册两个帐户</label> <br>

11.可以在文字域的font写onclick事件

12.打印</a>打印网页
<a href='javascript:window.print ()'>

13.线型输入框
<input type="text" name="key" size="12" value="关键字" onFocus=this.select() onMouseOver=this.focus()

class="line">

14.显示文档最后修改日期
<script language=javascript>
function hi(str)
{
document.write(document.lastModified)

alert("hi"+str+"!")
}
</script>

15.可以在鼠标移到文字上时就触发事件
<html>
<head>
<script language="LiveScript">
<!-- Hiding
function hello() {
alert("哈罗!");
}
</script>
</head>
<body>
<a href="" onMouseOver="hello()">link</a>
</body>
</html>

16.可以根据网页上的选项来确定页面颜色
<HTML>
<HEAD>
<TITLE>background.html</TITLE>
</HEAD>
<SCRIPT>
<!--

function bgChange(selObj) {
newColor = selObj.options[selObj.selectedIndex].text;
document.bgColor = newColor;
selObj.selectedIndex = -1;
}

//-->
</SCRIPT>
<BODY STYLE="font-family:Arial">
<B>Changing Background Colors</B>
<BR>
<FORM>
<SELECT SIZE="8" onChange="bgChange(this);">
<OPTION>Red
<OPTION>Orange
<OPTION>Yellow
<OPTION>Green
<OPTION>Blue
<OPTION>Indigo
<OPTION>Violet
<OPTION>White
<OPTION>pink
</SELECT>
</FORM>
</BODY>
</HTML>

17.将按钮的特征改变
<style type="text/CSS">
<!--
.style1 { font-size: 12px; background: #CCCCFF; border-width: thin thin thin thin; border-color: #CCCCFF

#CCCCCC #CCCCCC #CCCCFF}
.style2 { font-size: 12px; font-weight: bold; background: #CCFFCC; border-width: thin medium medium thin;

border-color: #CCFF99 #999999 #999999 #CCFF99}
-->
</style>
  本例按钮的代码如下:
<input type="submit" name="Submit" value="提 交" onmouseover="this.className='style2'"

onmouseout="this.className='style1'" class="style1">

18.改变按钮的图片.
<style type="text/css">
<!--
.style3 { font-size: 12px; background: url(image/buttonbg1.gif); border: 0px; width: 60px; height: 22px}
.style4 { font-size: 12px; font-weight: bold; background: url(image/buttonbg2.gif); border: 0px 0; width:

60px; height: 22px}
-->
</style>
  本例的按钮代码如下:
<input type="submit" name="Submit2" value="提 交" onmouseover="this.className='style4'"

onmouseout="this.className='style3'" class="style3">

19.打印页面
<div align="center"><a class=content href="javascript:doPrint();">打印本稿</a></div>

20.可以直接写html语言
document.write("");

21.改变下拉框的颜色
<select name="classid"

onChange="changelocation(document.myform.classid.options[document.myform.classid.selectedIndex].value)"

size="1" style="color:#008080;font-size: 9pt">

22.转至目标URL
window.location="http://guoguo"

23.传递该object的form
UpdateSN('guoqiang99267',this.form)
function UpdateSN(strValue,strForm)
{
strForm.SignInName.value = strValue;
return false;
}

24.文字标签
<label for="AltName4"><input name="AltName" type="RADIO" tabindex="931" id="AltName4"

>guoqiang99859</label>

25.layer2为组件的ID,可以控制组件是否可见
document.all.item('Layer2').style.display = "block";
document.all.item('Layer2').style.display = "none";//

26.将页面加入favorite中
<script language=javascript>
<!--
function Addme(){
url = "http://your.site.address"; //你自己的主页地址
title = "Your Site Name"; //你自己的主页名称
window.external.AddFavorite(url,title);
-->
</script>//

27.过10秒自动关闭页面
< script language="JavaScript" >
function closeit() {
setTimeout("self.close()",10000)
}
< /script >

28.可以比较字符的大小
char=post.charAt(i);
if(!('0'<=char&&char<='9'))

29.将字符转化为数字
month = parseInt(char)

30.点击value非空的选项时转向指定连接
<select onchange='if(this.value!="")window.open(this.value)' class="textinput">
<option selected>主办单位</option>
<option>-----------------</option>
<option value="http://www.bjd.com.cn/">北京日报</option>
<option value="http://www.ben.com.cn/">北京晚报</option>
</select>

31.改变背景颜色
<td width=* class=dp bgColor=#FAFBFC onmouseover="this.bgColor='#FFFFFF';"

onmouseout="this.bgColor='#FAFBFC';">

32.改变文字输入框的背景颜色
<style>
.input2 {background-image: url('../images/inputbg.gif'); font-size: 12px; background-color:

#D0DABB;border-top-width:1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
</style>
<input name=content type=text size="47" class="input2" maxlength="50">

33.改变水平线的特征
<hr size="0" noshade color="#C0C0C0">

34.传递参数的方式
<a href="vote.asp?CurPage=8&id=3488">8</a>

35.页内跳转
<a href="#1">1</a>
<a href="#2">2</a>
<a href="#3">3</a>
<a href="#4">4</a>
<a href="#5">5</a>
<a href="#6">6</a>
<a href="#7">7</a>
<a name="1">dfdf</a>
<a name="2">dfdf</a>//

36.两个按键一起按下
if(event.ctrlKey && window.event.keyCode==13)//

37.刷新页面
javascript:this.location.reload()//

38.将网页的按钮使能
<SCRIPT LANGUAGE="JavaScript">
function haha()
{
for(var i=0;i<document.form1.elements.length;i++)
{
if(document.form1.elements[i].name.indexOf("bb")!=-1)
document.form1.elements[i].disabled=!document.form1.elements[i].disabled;
}
}
</SCRIPT>
<BODY><form name=form1>
<INPUT TYPE="button" NAME="aa " value=cindy onclick=haha()>
<INPUT TYPE="button" NAME="bb " value=guoguo>
<INPUT TYPE="button" NAME="bb " value=guoguo>

39.文字移动
<marquee scrollamount=3 onmouseover=this.stop(); onmouseout=this.start();>

40.双击网页自动跑
<SCRIPT LANGUAGE="JavaScript">
var currentpos,timer;
function initialize()
{
timer=setInterval("scrollwindow()",1);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos != document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
</SCRIPT>//

41.后退
<INPUT TYPE="button" onclick=window.history.back() value=back>

42.前进
<INPUT TYPE="button" onclick=window.history.forward() value=forward>

43.刷新
<INPUT TYPE="button" onclick=document.location.reload() value=reload>

44.转向指定网页
document.location="http://ww"或者document.location.assign("http://guoguo.com")

45.在网页上显示实时时间
<SCRIPT LANGUAGE="JavaScript">
var clock_id;
window.onload=function()
{
clock_id=setInterval("document.form1.txtclock.value=(new Date);",1000)
}
</SCRIPT>//

46.可以下载文件
document.location.href="目标文件"//

47.连接数据库
import java.sql.*;
String myDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";
Class.forName(myDBDriver);
Connection conn=DriverManager.getConnection("jdbc:odbc:firm","username","password");
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery(sql);
rs.getString("column1");//

48.可以直接在页面“div”内写下所需内容
<INPUT TYPE="button" onclick="a1.innerHTML='<font color=red>*</font>'">
<div id=a1></div>//

49.可以改变页面上的连接的格式,使其为双线
<style>
A:link {text-decoration: none; color:#0000FF; font-family: 宋体}
A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}
A:hover {text-decoration: underline overline; color: FF0000}
</style>

<style>
A:link {text-decoration: none; color:#0000FF; font-family: 宋体}
A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}
A:hover {text-decoration: underline overline line-through; color: FF0000}
TH{FONT-SIZE: 9pt}
TD{FONT-SIZE: 9pt}
body {SCROLLBAR-FACE-COLOR: #A9D46D; SCROLLBAR-HIGHLIGHT-COLOR: #e7e7e7;SCROLLBAR-SHADOW-COLOR:#e7e7e7;

SCROLLBAR-3DLIGHT-COLOR: #000000; LINE-HEIGHT: 15pt; SCROLLBAR-ARROW-COLOR: #ffffff;

SCROLLBAR-TRACK-COLOR: #e7e7e7;}

INPUT{BORDER-TOP-WIDTH: 1px; PADDING-RIGHT: 1px; PADDING-LEFT: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE:

9pt; BORDER-LEFT-COLOR: #cccccc;
BORDER-BOTTOM-WIDTH: 1px; BORDER-BOTTOM-COLOR: #cccccc; PADDING-BOTTOM: 1px; BORDER-TOP-COLOR: #cccccc;

PADDING-TOP: 1px; HEIGHT: 18px; BORDER-RIGHT-WIDTH: 1px; BORDER-RIGHT-COLOR: #cccccc}
DIV,form ,OPTION,P,TD,BR{FONT-FAMILY: 宋体; FONT-SIZE: 9pt}
textarea, select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体;

font-size: 9pt; font-style: bold;}
.text { font-family: "宋体"; font-size: 9pt; color: #003300; border: #006600 solid; border-width: 1px 1px

1px 1px}
</style>完整的css


50.新建frame
<a

href="javascript:newframe('http://www.163.net/help/a_little/index.html','http://www.163.net/help/a_little

/a_13.html')"><img alt=帮助 border=0 src="http://bjpic.163.net/images/mail/button-help.gif"></a>

51.向文件中写内容
<%@ page import="java.io.*" %>
<%
String str = "print me";
//always give the path from root. This way it almost always works.
String nameOfTextFile = "/usr/anil/imp.txt";
try
{
PrintWriter pw = new PrintWriter(new FileOutputStream(nameOfTextFile));
pw.println(str);
//clean up
pw.close();
}
catch(IOException e)
{
out.println(e.getMessage());
}
%>

52.先读文件再写文件
<%@ page language = "java" %>
<%@ page contentType = "text/html; charSet=gb2312" %>
<%@ page import ="java.util.*" %>
<%@ page import ="java.lang.*" %>
<%@ page import ="javax.servlet.*" %>
<%@ page import ="javax.servlet.jsp.*" %>
<%@ page import ="javax.servlet.http.*" %>
<%@ page import="java.io.*" %>
eryrytry
<%
int count=0;
FileInputStream fi =new FileInputStream ("count.txt");
ObjectInputStream si= new ObjectInputStream (fi);
count =si.readInt();
count++;
out.print(count);
si.close();

FileOutputStream fo =new FileOutputStream ("count.txt");
ObjectOutputStream so= new ObjectOutputStream (fo);
so.writeInt(count);
so.close();
%>

53.直线型输入框
<INPUT name=Password size=10 type=password style="border-left-width: 0; border-right-width: 0;

border-top-width: 0; border-bottom-style: solid; border-bottom-width: 1; background-color: #9CEB9C">

54.可以将背景改为按钮性状,通过改变css改变属性
<td width="65" align="center" bgcolor="#E0E0E0" onmouseover=this.className='mouseoverbt';

onmouseout=this.className='mouseout';><a href="tm.asp?classid=76"><font

color="#000000">录音笔</font></a></td>
<style>
.mouseoverbt
{
background-image: url(http://www.yongle.com.cn/img/btbgw64h20y.gif);
background-repeat: no-repeat;
}
.mouseout
{
background-color: #E0E0E0;
}
</style>

55.同时按下CTRL和Q键
document.onkeydown=function()
{
if(event.ctrlKey&&event.keyCode==81)
{alert(1)}
}//

56.以下是一个完整的显示hint的代码,其思想是当鼠标停留是将div中的内容显示在鼠标出,当鼠标移出后在将该div隐

藏掉
---------------------------------------------------------------------------------------------------------

------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<style>
#hint{
width:198px;
border:1px solid #000000;
background:#99ff33;
position:absolute;
z-index:9;
padding:6px;
line-height:17px;
text-align:left;
top: 1520px;
}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!--
function showme()
{
var oSon=window.document.getElementById("hint");
if (oSon==null) return;
with (oSon)
{
innerText=guoguo.value;
style.display="block";
style.pixelLeft=window.event.clientX+window.document.body.scrollLeft+6;
style.pixelTop=window.event.clientY+window.document.body.scrollTop+9;
}
}
function hidme()
{
var oSon=window.document.getElementById("hint");
if (oSon==null) return;
oSon.style.display="none";
}
//-->
</SCRIPT>
<BODY>
<text id=guoguo value=ga>
<a href=# onmouseover=showme() onmouseout=hidme() onmousemove=showme() son=hint>dfdfd</a>
<div id=hint style="display:none"></div>
</BODY>
</HTML>
---------------------------------------------------------------------------------------------------------

------------

57.弹出窗口
方法一:<body onload="openwen()"> 浏览器读页面时弹出窗口;
方法二:<body onunload="openwen()"> 浏览器离开页面时弹出窗口;
方法三:用一个连接调用:<a href="#" onclick="openwin()">打开一个窗口</a>
注意:使用的"#"是虚连接。
方法四:用一个按钮调用:<input type="button" onclick="openwin()" value="打开窗口"> 何时装载script


58.动态改变字体的大小
function doZoom(size)
{
document.getElementById('zoom').style.fontSize=size+'px'
}

function aa()
{
var newWin=window.open(url);
newWin.document.form1.text1.value=value1;
}改变弹出窗口上域的属性
opener.document.form2.text2.value=value2;改变父窗口的域的值

59.判断是何种浏览器
var name = navigator.appName;
if (name == "Microsoft Internet Explorer")
alert("IE");
else if (name == "Netscape")
alert("NS");//

60.vbsscript确定框
<script language="VBScript">
<!--
MsgBox "确定删除吗?", 4
//-->
</script>//

61.复制内容到剪切板
function JM_cc(bb)
{
var ob=eval("document.form1."+bb);
ob.select();
js=ob.createTextRange();
js.execCommand("Copy");
}//

62.java中建立数据库连接取数据
public void init()
{
String url="jdbc:odbc:javadata";
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=DriverManager.getConnection(url,"sa","");//mssql database user SA and password
DatabaseMetaData dma=con.getMetaData();
System.out.println("Connect to"+dma.getURL());
System.out.println(";Driver "+dma.getDriverName());
System.out.println(";Version "+dma.getDriverVersion());
System.out.println("");
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery("select * from company.dbo.TB_NAME where number=1");//Sql
rs.next();
String dispresult=rs.getString("name");
System.out.println(dispresult);// Instead,you can display it in Paint() or use AWT etc.
rs.close();
stmt.close();
con.close();
}
catch(SQLException ex)
{
System.out.println("!!!SQL Exception !!!");
while(ex!=null)
{
System.out.println("SQLState:"+ex.getSQLState());
System.out.println("Message:"+ex.getMessage());
System.out.println("Vendor:"+ex.getErrorCode());
ex=ex.getNextException();
System.out.println("");
}

}
catch(java.lang.Exception ex)
{
ex.printStackTrace();
}
}//


63.最小化窗口
window.blur()//


64.文档的路径
document.URL//

65.定时执行某段程序
setTimeout("change_color()",600);

66.设置为主页
function makeHome(){
netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
navigator.preference("browser.startup.homepage", location.href);
}//

67.设置为收藏
function addFav(){
if(ie)
window.external.AddFavorite(location.href,'WWW.OGRISH.COM : GROTESQUE MOVIES AND PICTURES');
if(ns)
alert("Thanks for the bookmark!\n\nNetscape users click OK then press CTRL-D");
}//

68.判断cookie是否可用
navigator.cookieEnabled;//

69.显示有模式的有页面的弹出窗口
function setbgcolor_onclick()
{
var color = showModalDialog("/mailpage/compose/colorsel.html",0,"help=0");
if (color != null)
{
document.compose.bgcolor.value = color;
}
}//


70.截取小数点后两位
var a=3454545.4454545;
alert(a.toFixed(2));//


71.禁止选择页面上的文字来拷贝
<script>
function noEffect() {
with (event) {
returnValue = false;
cancelBubble = true;
}
return;
}
</script>
<body onselectstart="noEffect()" oncontextmenu="noEffect()">//

72.屏蔽右键菜单
oncontextmenu="event.returnValue = false"//

73.事件禁止起泡
event.cancelBubble = true//

74.禁止在输入框打开输入法
<input style="ime-mode: disabled">//

75.屏蔽汉字和空格
<input name="txt"><input type="submit" onClick="alert(!/[^ -}]|\s/.test(txt.value))">//

76.用javascript判断文件是否存在
function Exists(filespec)
{
if (filespec)
{
var fso;
fso = new ActiveXObject("Scripting.FileSystemObject");
alert(fso.FileExists(filespec));
}
}
选择图片 <input type=file name=f1><p>
<input type="submit" onClick="Exists(f1.value)">//

77.获得当前的文本框选中的文字
<input onmouseup="alert(document.selection.createRange().text)" value=123>//

78.跳转至目标页面,同时不可返回
<a href="javascript:location.replace('http://www.sohu.com/')">sohu.com</a>//


79.获得当前的行是表格的第几行
<script>
function getrow(obj)
{
if(event.srcElement.tagName=="TD"){
curRow=event.srcElement.parentElement;
alert("这是第"+(curRow.rowIndex+1)+"行");

}
}
</script>

<table border="1" width="100%" onclick=getrow(this)>
<tr>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
</tr>
<tr>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
<td width="20%"> </td>
</tr>
</table>//

80.删除表格某行,xx表示某行,下标从0开始计算
document.all.myTable.deleteRow(xx)//

81.动态的向表格中添加行
<table id="t1" border="1">
</table>
<script language="JavaScript">
function add()
{
t1.insertRow().insertCell().innerHTML = '<input name="test'+t1.rows.length+'">';
}//



82.event.x,event.clientX,event.offsetX区别:
x:设置或者是得到鼠标相对于目标事件的父元素的外边界在x坐标上的位置。 clientX:相对于客户区域的x坐标位置,不

包括滚动条,就是正文区域。 offsetx:设置或者是得到鼠标相对于目标事件的父元素的内边界在x坐标上的位置。
screenX:相对于用户屏幕。


83.显示是鼠标按钮的哪个
<body onMouseDown="alert(event.button)">点Mouse看看//

84.打开C盘
<form action="file:///c|/"><input type="submit" value="c:\ drive"></form>//

85.当前屏幕的分辨率
screen.width、screen.height//

86.设置表格中的内容
tbl.rows[0].cells[1].innerText=document.form.text1.value;//


87.本地快捷键
<p><a href="file:///::{208D2C60-3AEA-1069-A2D7-08002B30309D}" target="_blank">网上邻居</a></p>
<p><a href="file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\d:\web" target="_blank">我的电脑</a></p>
<p><a href="file:///::{450D8FBA-AD25-11D0-98A8-0800361B1103}" target="_blank">我的文档</a></p>
<p><a href="file:///::{645FF040-5081-101B-9F08-00AA002F954E}" target="_blank">回收站</a></p>
<p><a href="file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\::{21EC2020-3AEA-1069-A2DD-08002B30309D}"

target="_blank">控制面板</a></p>
<p><a href="file:///::{7007ACC7-3202-11D1-AAD2-00805FC1270E}">拨号网络</a>(Windows 2000)</p>


88.IE菜单
<button onclick="min.Click()"><font face="webdings">0</font></button>//改变按钮上的图片
<input type=button onclick="document.execCommand('CreateLink','true','true')"> //创建新连接
<input type=button onclick="document.execCommand('print','true','true')"> //打印
<input type=button onclick="document.execCommand('saveas','true','网站制作.htm')">//另存为htm
<input type=button onclick="document.execCommand('saveas','true','网站制作.txt')">//另存为txt
document.execCommand("SaveAs")//保存为
document.execCommand('undo')//撤销上一次操作

89.web对话框
<SCRIPT>
var contents='<style>body,td{font:menu}img{cursor:hand}</style>';
contents+='<title>你要关闭我吗</title>';
contents+='<body bgcolor=menu>';
contents+='<table width=100% height=100% border=0>';
contents+='<tr><td align=center>';
contents+='你要关闭我吗?<br>';
contents+='<img src=dark.gif onclick=self.close() alt="...关闭">';
contents+='<img src=jet.gif onclick=self.close() alt="全是关闭">';
contents+='</td></tr></table>';
showModalDialog("about:"+contents+"","","dialogHeight:50px;dialogWidth:250px;help:no;status:no")
document.write(contents);
</SCRIPT>//

90.取第x,y的值
<button onclick="t1.rows[x].cells[y].innerText='guoguo'"></button>//

91.向新打开的网页上写内容
newwin=window.open('about:blank','','top=10');
newwin.document.write('');//

93.返回
javascript:history.go(-2);//

94.将页面上选中的内容复制到剪贴板
abcdefg
<input type='button'

onclick="window.clipboardData.setData('text',document.selection.createRange().text);" value='复制页面选中

的字符'>//
95.将页面上选中的内容复制到剪贴板
<INPUT TYPE="text" NAME="">kjhkjhkhkj<INPUT TYPE="button" onclick="document.execCommand('Copy', 'false',

null);">////

96.鼠标移到下拉框时自动全部打开
<select onmouseover="javascript:this.size=this.length" onmouseout="javascript:this.size=1"></select>//

97.获得本机的文件
var fso = new ActiveXObject("Scripting.FileSystemObject");
var f1 = fso.GetFile("C:\\bsitcdata\\ejbhome.xml");
alert("File last modified: " + f1.DateLastModified); //

98.判断客户端是否是IE浏览器
因为 document.all 是 IE 的特有属性,所以通常用这个方法来判断客户端是否是IE浏览器 ,document.all?1:0;

99.创建新的下拉框选项
new Option(text,value)这样的函数//

100.在页面上画柱状图
<STYLE>
td{font-size:12px}
body{font-size:12px}
v\:*{behavior:url(#default#VML);} //这里声明了v作为VML公用变量
</STYLE>
<SCRIPT LANGUAGE="JavaScript">
mathstr=12;
document.write ("<v:rect fillcolor='red'

style='width:20;color:navy;height:"+5000/(1000/mathstr)+"'><br> %"+mathstr+"<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>")
</SCRIPT>
<v:rect fillcolor='red' style='width:20;color:navy;height:200'><br>%12<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>
<v:rect fillcolor='yellow' style='width:20;color:navy;height:100'><br>%12<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>//



101.饼图
<style>
v\:* { behavior: url(#default#VML) }
o\:* { behavior: url(#default#VML) }
.shape { behavior: url(#default#VML) }
</style>
<script language="javascript">
function show(pie)
{
pie.strokecolor=pie.fillcolor;
pie.strokeweight=10;
div1.innerHTML="<font size=2 color=red> " + pie.id +"</font> <font size=2>" + pie.title + "</font>";
}
function hide(pie)
{
pie.strokecolor="white";
pie.strokeweight=1;
div1.innerHTML="";
}
</script>
</head>
<body>
<v:group style='width: 5cm; height: 5cm' coordorigin='0,0' coordsize='250,250'>
<v:shape id='asp技术' style='width:10;height:10;top:10;left:0' title='得票数:6 比例:40.00%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ffff33'><v:path v='m 300,200 ae

300,200,200,150,0,9437184 xe'/></v:shape>
<v:shape id='php' style='width:10;height:10;top:10;left:0' title='得票数:1 比例:6.67%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff9933'><v:path v='m 300,200 ae

300,200,200,150,9437184,1572864 xe'/></v:shape>
<v:shape id='jsp' style='width:10;height:10;top:10;left:0' title='得票数:2 比例:13.33%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#3399ff'><v:path v='m 300,200 ae

300,200,200,150,11010048,3145728 xe'/></v:shape>
<v:shape id='c#写的.netWEB程序' style='width:10;height:10;top:10;left:0' title='得票数:3 比例:20.00%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#99ff33'><v:path v='m 300,200 ae

300,200,200,150,14155776,4718592 xe'/></v:shape>
<v:shape id='vb.net写的.netWEB程序' style='width:10;height:10;top:10;left:0' title='得票数:2 比例:13.33%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff6600'><v:path v='m 300,200 ae

300,200,200,150,18874368,3145728 xe'/></v:shape>
<v:shape id='xml技术' style='width:10;height:10;top:10;left:0' title='得票数:1 比例:6.67%'

onmouseover='javascript:show(this);' onmouseout='javascript:hide(this);' href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff99ff'><v:path v='m 300,200 ae

300,200,200,150,22020096,1572864 xe'/></v:shape>
</v:group>

<v:group style='width: 6cm; height: 6cm' coordorigin='0,0' coordsize='250,250'>
<v:rect style='height:10;width:15;top:0;left:10' fillcolor='#ffff33'/>
<v:rect style='height:28;width:100;top:0;left:30' stroked='false'><v:textbox

style='fontsize:2'>asp技术</v:textbox/></v:rect>
<v:rect style='height:10;width:15;top:30;left:10' fillcolor='#ff9933'/>
<v:rect style='height:28;width:100;top:30;left:30' stroked='false'><v:textbox

style='fontsize:2'>php</v:textbox/></v:rect>
<v:rect style='height:10;width:15;top:60;left:10' fillcolor='#3399ff'/>
<v:rect style='height:28;width:100;top:60;left:30' stroked='false'><v:textbox

style='fontsize:2'>jsp</v:textbox/></v:rect>
<v:rect style='height:10;width:15;top:90;left:10' fillcolor='#99ff33'/>
<v:rect style='height:28;width:100;top:90;left:30' stroked='false'><v:textbox

style='fontsize:2'>c#写的.netWEB程序</v:textbox/></v:rect>
<v:rect style='height:10;width:15;top:120;left:10' fillcolor='#ff6600'/>
<v:rect style='height:28;width:100;top:120;left:30' stroked='false'><v:textbox style='fontsize:2'>vb.net

写的.netWEB程序</v:textbox/></v:rect>
<v:rect style='height:10;width:15;top:150;left:10' fillcolor='#ff99ff'/>
<v:rect style='height:28;width:100;top:150;left:30' stroked='false'><v:textbox style='fontsize:2'>xml技术

</v:textbox/></v:rect>
</v:group>

<div style="position: absolute; left: 10; top: 10; width: 760; height:16">
<table border="1" cellpadding="2" cellspacing="2" cellpadding="0" cellspacing="0"

style="border-collapse: collapse" bordercolor="#CCCCCC" width="100%" ID="Table1">
<tr>
<td width="100%" id=div1> </td>
</tr>
</table>
</div>//

102.是一个特殊的容器,想装个网页都行
<button><iframe src="http://www.google.com/"></iframe></button>//button

103.外部的html代码
event.srcElement.outerHTML//

104.标识当前的IE事件的触发器
event.srcElement和event.keyCode//

105.事件类型
event.type//

106.动态改变类型
<style>
.Overnone { border-width:0;background-color:darkblue;cursor:default;color:gold;width:115}
.Outnone {border-width:0;background-color:white;cursor:default;width:115}
</style>
<input class=Outnone onmouseover=this.className='Overnone' >//

107.页面翻转
<html dir=rtl></html>//

108.滚屏
parent.scroll(x,y);//
<body onload="s=0" onDblClick="s=setInterval('scrollBy(0, 1)',10)" onClick="clearInterval(s)">//

109.改变状态栏
self.status ="";//

110.改变窗口大小
window.resizeTo(200,300);//

111.改变鼠标样式
style
BODY{CURSOR: url('mouse.ani');
SCROLLBAR-BASE-COLOR: #506AA8;
SCROLLBAR-ARROW-COLOR: #14213F;
}//

112.背景透明
<input type="button" value="Button" style="background-color: transparent; border: 0;">//

113.鼠标为等待形状
<input type=button onclick="this.style.cursor='wait'">//

114.调用父窗口的函数
opener.fucntion1();//

115.body的内部html代码
<input type="button" onclick="alert(code.document.body.innerHTML)" value="查看">//

116.框架中调用父窗口的函数
<INPUT TYPE='button' onclick='parent.test();' value='调用parent窗口的函数'>//

117.交换节点
<table width=200 height=200 border>
<tr><td id=c1>CELL_1</td></tr>
<tr><td id=c2>CELL_2</td></tr>
</table>
<br>
<input type="button" value="swap row" onclick="c1.swapNode(c2)">//

118.删除节点
<table width=200 height=200 border>
<tr id=trall><td id=c1>CELL_1</td></tr>
<tr><td id=c2>CELL_2</td></tr>
</table>
<br>
<input type="button" value="swap row" onclick="trall.removeNode(c2)">//

119.添加节点
addNode()//

120.获得事件的父与子标签
event.srcElement.children[0]和event.srcElement.parentElement //


121.集中为按钮改变颜色
<style>
button{benc:expression(this.onfocus = function(){this.style.backgroundColor='#E5F0FF';})}
</style>
<button>New</button>//


122.判断是左键还是右键被按下
<body onmousedown=if(event.button==1)alert("左键");if(event.button==2)alert("右键")>//

123.获得操作系统的名称和浏览器的名称
document.write(navigator.userAgent)//


124.alt/ctrl/shift键按下
event.altKey //按下alt键
event.ctrlKey //按下ctrl键
event.shiftKey //按下shift键



125.将当前位置定位为C盘。
{window.location="c:"}//

126.返回输入框的类型
<script>
alert(event.srcElement.type);//
</script>

127.模拟控件的单击事件
<INPUT TYPE="hidden" name="guoguo" onclick="haha()">
<SCRIPT LANGUAGE="JavaScript">
<!--

function haha()
{
alert();
}
guoguo.click();
//-->
</SCRIPT>//


128.取出记录集的列名
java.sql.ResultSet rset = com.bsitc.util.DBAssist.getIT().executeQuery(queryStatement, conn);
java.sql.ResultSetMetaData metaData = rset.getMetaData();
int count = metaData.getColumnCount();
String name = metaData.getColumnName(i);
String value = rset.getString(i);//

129.格式化数字
function format_number(str,digit)
{
if(isNaN(str))
{
alert("您传入的值不是数字!");
return 0;
}
else if(Math.round(digit)!=digit)
{
alert("您输入的小数位数不是整数!");
return 0;
}
else
return Math.round(parseFloat(str)*Math.pow(10,digit))/Math.pow(10,digit);
}

130.回车按钮转化为tab按钮
if(event.keyCode==13) event.keyCode=9; //将


131.滚动条滚动
<button onclick="text1.scrollTop=text1.scrollHeight">Scroll</button><br>
<textarea id="text1" cols=50 rows=10>
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
</textarea>//


132.判断是什么对象
if(typeof(unknown)=="function")return true;
if(typeof(unknown)!="object")return false;//


133.取消文本框自动完成功能
<input type="text" autocomplete="off"> //

134.让下拉框自动下拉
<select onmouseover="javascript:this.size=this.length" onmouseout="javascript:this.size=1">
<option value="">1</option>
<option value="">2</option>
<option value="">3</option>
</select> //


135.读取XML文件
var childrenobj=myselect//document.all.myselect;
var oXMLDoc = new ActiveXObject('MSXML');
oXMLDoc.url = "mymsg.xml";
var oRoot=oXMLDoc.root;
if(oRoot.children != null)
{
for(var i=0;i<oRoot.children.item(0).children.length;++i)
{
oItem = oRoot.children.item(0).children.item(i);
oOption = new Option(oItem.text,oItem.value);
childrenobj.add(oOption);
}
}
//mymsg.xml文件
<?xml version="1.0" encoding="gb2312" ?>
<childrenlist>
<aa>
<child value='3301'>杭州地区</child>

<child value='3303'>温州地区</child>

</aa>
<aa>
<child value='3310'>台州地区</child>

<child value='3311'>丽水地区</child>
</aa>
</childrenlist>//


136.点击图片,图片停止
<a href="javascript:"><img src="http://www.51js.com/images/51js/red_forum.gif" border="0"></a>//

137.显示本地计算机信息
var WshNetwork = new ActiveXObject("WScript.Network");
alert("Domain = " + WshNetwork.UserDomain);
alert("Computer Name = " + WshNetwork.ComputerName);
alert("User Name = " + WshNetwork.UserName);//


138.比较时间
tDate = new Date(2004,01,08,14,35); //年,月,日,时,分
dDate = new Date();
tDate<dDate?alert("早于"):alert("晚于");//

139.弹出鼠标所在处的链结地址
<body onmouseover="if (event.srcElement.tagName=='A')alert(event.srcElement.href)"><a

href="http://51js.com/viewthread.php?tid=13589" >dddd</a><input>//

140.注意不能通过与 undefined 做比较来测试一个变量是否存在,虽然可以检查它的类型是否为“undefined”。在以

下的代码范例中,假设程序员想测试是否已经声明变量 x :
// 这种方法不起作用
if (x == undefined)
// 作某些操作
// 这个方法同样不起作用- 必须检查


// 字符串 "undefined"
if (typeof(x) == undefined)
// 作某些操作
// 这个方法有效
if (typeof(x) == "undefined")
// 作某些操作

141.创建具有某些属性的对象
var myObject = new Object();
myObject.name = "James";
myObject.age = "22";
myObject.phone = "555 1234";//

142.枚举(循环)对象的所有属性
for (var a in myObject)
{
// 显示 "The property 'name' is James",等等。
window.alert("The property '" + a + "' is " + myObject[a]);
}//

143.判断一个数字是否是整数
var a=23.2;
alert(a%1==1)//


144.新建日期型变量
var a = new Date(2000, 1, 1);
alert(a.toLocaleDateString());


145.给类定义新的方法
function trim_1()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.trim=trim_1;
alert('cindy'.trim());


146.定义一个将日期类型转化为字符串的方法
function guoguo_date()
{
var tmp1,tmp2;
tmp1 =this.getMonth()+1+"";
if(tmp1.length<2)
tmp1="0"+tmp1;
tmp2 =this.getDate()+"";
if(tmp2.length<2)
tmp2="0"+tmp2;

return this.getYear()+"-"+tmp1+"-"+tmp2;
}
Date.prototype.toLiteString=guoguo_date;
alert(new Date().toLiteString())



147. pasta 是有四个参数的构造器,定义对象。
function pasta(grain, width, shape, hasEgg)
{
// 是用什么粮食做的?
this.grain = grain;

// 多宽?(数值)
this.width = width;

// 横截面形状?(字符串)
this.shape = shape;

// 是否加蛋黄?(boolean)
this.hasEgg = hasEgg;

//定义方法
this.toString=aa;
}
function aa()
{

}
//定义了对象构造器后,用 new 运算符创建对象实例。
var spaghetti = new pasta("wheat", 0.2, "circle", true);
var linguine = new pasta("wheat", 0.3, "oval", true);
//补充定义属性,spaghetti和linguine都将自动获得新的属性
pasta.prototype.foodgroup = "carbohydrates";


148.打印出错误原因
try
{
x = y // 产生错误。
}
catch(e)
{
document.write(e.description) //打印 "'y' is undefined".
}//

149.生成Excel文件并保存
var ExcelSheet;
ExcelApp = new ActiveXObject("Excel.Application");
ExcelSheet = new ActiveXObject("Excel.Sheet");
//本代码启动创建对象的应用程序(在这种情况下,Microsoft Excel 工作表)。一旦对象被创建,就可以用定义的对

象变量在代码中引用它。 在下面的例子中,通过对象变量 ExcelSheet 访问新对象的属性和方法和其他 Excel 对象,

包括 Application 对象和 ActiveSheet.Cells 集合。
// 使 Excel 通过 Application 对象可见。
ExcelSheet.Application.Visible = true;
// 将一些文本放置到表格的第一格中。
ExcelSheet.ActiveSheet.Cells(1,1).Value = "This is column A, row 1";
// 保存表格。
ExcelSheet.SaveAs("C:\\TEST.XLS");
// 用 Application 对象用 Quit 方法关闭 Excel。
ExcelSheet.Application.Quit();//

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