js技巧收集(200多個)(轉自:asp.net中文俱樂部)

1.文本框焦點問題
onBlur:當失去輸入焦點後產生該事件
onFocus:當輸入獲得焦點後，產生該文件
Onchange:當文字值改變時，產生該事件
Onselect:當文字加亮後，產生該文件

<input type="text" value="郭強" οnfοcus="if(value=='郭強') {value=''}" οnblur="if
(value=='') {value='郭強'}">點擊時文字消失，失去焦點時文字再出現

2.網頁按鈕的特殊顏色
<input type=button name="Submit1" value="郭強" size=10 class=s02

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

3.鼠標移入移出時顏色變化
<input type="submit" value="找吧" name="B1" onMouseOut=this.style.color="blue"

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

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

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

5.按鈕顏色變化
<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.平面輸入框
<input type="text" name="T1" size="20" style="border-style: solid; border-width: 1">

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

8.使文字上下滾動
<marquee direction=up scrollamount=1 scrolldelay=100 οnmοuseοver='this.stop()' οnmοuseοut='this.start()'

height=60>

<tr>
<td>
共和國
</table> 
</marquee>

9.狀態欄顯示該頁狀態
<base οnmοuseοver="window.status='網站建設 http://www.webmake.cn/' ;return true">

10.可以點擊文字實現radio選項的選定
<br>
    <input type="radio" name="regtype" value="A03" id="A03">
<label for="A03"> 情侶 : 一次註冊兩個帳戶</label> <br>

11.可以在文字域的font寫onclick事件

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

13.線型輸入框
<input type="text" name="key" size="12" value="關鍵字" onFocus=this.select() onMouseOver=this.focus()

class="line">

14.顯示文檔最後修改日期
<script language=javascript>
function hi(str)
{
document.write(document.lastModified)

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

15.可以在鼠標移到文字上時就觸發事件
<html>
<head>
<script language="LiveScript">
<!-- Hiding
     function hello() {
       alert("哈羅!");
     }
</script>
</head>
<body>
<a href="" onMouseOver="hello()">link</a>
</body>
</html>

16.可以根據網頁上的選項來確定頁面顏色
<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.將按鈕的特徵改變
<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>
　　本例按鈕的代碼如下：
<input type="submit" name="Submit" value="提交" οnmοuseοver="this.className='style2'"

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

18.改變按鈕的圖片.
<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>
　　本例的按鈕代碼如下：
<input type="submit" name="Submit2" value="提交" οnmοuseοver="this.className='style4'"

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

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

20.可以直接寫html語言
document.write("");

21.改變下拉框的顏色
<select name="classid"

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

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

22.轉至目標URL
window.location=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://guoguo"

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

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

>guoqiang99859</label>

25.layer2爲組件的ID，可以控制組件是否可見
document.all.item('Layer2').style.display = "block";
document.all.item('Layer2').style.display = "none";//

26.將頁面加入favorite中
<script language=javascript>

</script>//

27.過10秒自動關閉頁面
< script language="JavaScript" >
function closeit() {
setTimeout("self.close()"，10000)
}
< /script >

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

29.將字符轉化爲數字
month = parseInt(char)

30.點擊value非空的選項時轉向指定連接
<select οnchange='if(this.value!="")window.open(this.value)' class="textinput">
    <option selected>主辦單位</option>
    <option>-----------------</option>
    <option value=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://www.bjd.com.cn/">北京日報</option>
    <option value=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://www.ben.com.cn/">北京晚報</option>
</select>

31.改變背景顏色
<td width=* class=dp bgColor=#FAFBFC οnmοuseοver="this.bgColor='#FFFFFF';"

οnmοuseοut="this.bgColor='#FAFBFC';">

32.改變文字輸入框的背景顏色
<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.改變水平線的特徵
<hr size="0" noshade color="#C0C0C0">

34.傳遞參數的方式
<a href="vote.asp?CurPage=8&id=3488">8</a>

35.頁內跳轉
<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>//

36.兩個按鍵一起按下
if(event.ctrlKey && window.event.keyCode==13)//

37.刷新頁面
javascript:this.location.reload()//

38.將網頁的按鈕使能
<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 οnclick=haha()>
<INPUT TYPE="button" NAME="bb " value=guoguo>
<INPUT TYPE="button" NAME="bb " value=guoguo>

39.文字移動
<marquee scrollamount=3 οnmοuseοver=this.stop(); οnmοuseοut=this.start();>

40.雙擊網頁自動跑
<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.οnmοusedοwn=sc
document.οndblclick=initialize
</SCRIPT>//

41.後退
<INPUT TYPE="button" οnclick=window.history.back() value=back>

42.前進
<INPUT TYPE="button" οnclick=window.history.forward() value=forward>

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

44.轉向指定網頁
document.location=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://ww"或者document.location.assign(http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://guoguo.com")

45.在網頁上顯示實時時間
<SCRIPT LANGUAGE="JavaScript">
var clock_id;
window.οnlοad=function()
{
clock_id=setInterval("document.form1.txtclock.value=(new Date);",1000)
}
</SCRIPT>//

46.可以下載文件
document.location.href="目標文件"//

47.連接數據庫
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.可以直接在頁面“div”內寫下所需內容
<INPUT TYPE="button" οnclick="a1.innerHTML='<font color=red>*</font>'">
<div id=a1></div>//

49.可以改變頁面上的連接的格式，使其爲雙線
<style>
A:link {text-decoration: none; color:#0000FF; font-family: 宋體}
A:visited {text-decoration: none; color: #0000FF; font-family: 宋體}
A:hover {text-decoration: underline overline; color: FF0000}
</style>

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: 宋體; FONT-SIZE: 9pt}
textarea, select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋體;

font-size: 9pt; font-style: bold;}
.text { font-family: "宋體"; 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=幫助 border=0 src=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"http://bjpic.163.net/images/mail/button-help.gif"></a>

51.向文件中寫內容
<%@ 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.先讀文件再寫文件
<%@ 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.直線型輸入框
<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.可以將背景改爲按鈕性狀，通過改變css改變屬性
<td width="65" align="center" bgcolor="#E0E0E0" οnmοuseοver=this.className='mouseoverbt';

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

color="#000000">錄音筆</font></a></td>
<style>
.mouseoverbt
{
background-image: url(file:///c|/"><input type="submit" value="c:/ drive"></form>//

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

86.設置表格中的內容
tbl.rows[0].cells[1].innerText=document.form.text1.value;//

87.本地快捷鍵
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{208D2C60-3AEA-1069-A2D7-08002B30309D}" target="_blank">網上鄰居</a></p>
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}/d:/web" target="_blank">我的電腦</a></p>
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{450D8FBA-AD25-11D0-98A8-0800361B1103}" target="_blank">我的文檔</a></p>
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{645FF040-5081-101B-9F08-00AA002F954E}" target="_blank">回收站</a></p>
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}/::{21EC2020-3AEA-1069-A2DD-08002B30309D}"

target="_blank">控制面板</a></p>
<p><a href=http://blog.csdn.net/lxs5i5j/archive/2007/01/22/"file:///::{7007ACC7-3202-11D1-AAD2-00805FC1270E}">撥號網絡</a>(windows 2000)</p>

88.IE菜單
<button οnclick="min.Click()"><font face="webdings">0</font></button>//改變按鈕上的圖片
<input type=button οnclick="document.execCommand('CreateLink','true','true')"> //創建新連接
<input type=button οnclick="document.execCommand('print','true','true')"> //打印
<input type=button οnclick="document.execCommand('saveas','true','網站製作.htm')">//另存爲htm
<input type=button οnclick="document.execCommand('saveas','true','網站製作.txt')">//另存爲txt
document.execCommand("SaveAs")//保存爲
document.execCommand('undo')//撤銷上一次操作

89.web對話框
<SCRIPT>
var contents='<style>body,td{font:menu}img{cursor:hand}</style>';
contents+='<title>你要關閉我嗎</title>';
contents+='<body bgcolor=menu>';
contents+='<table width=100% height=100% border=0>';
contents+='<tr><td align=center>';
contents+='你要關閉我嗎？<br>';
contents+='<img src=http://www.aspxclub.com/UploadFile/Material/1/1281.gif οnclick=self.close() alt="...關閉">';
contents+='<img src=http://www.aspxclub.com/UploadFile/Material/1/1282.gif οnclick=self.close() alt="全是關閉">';
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 οnclick="t1.rows[x].cells[y].innerText='guoguo'"></button>//

91.向新打開的網頁上寫內容
newwin=window.open('about:blank','','top=10');
newwin.document.write('');//

93.返回
javascript:history.go(-2);//

94.將頁面上選中的內容複製到剪貼板
abcdefg
<input type='button'

οnclick="window.clipboardData.setData('text',document.selection.createRange().text);" value='複製頁面選中

的字符'>//
95.將頁面上選中的內容複製到剪貼板
<INPUT TYPE="text" NAME="">kjhkjhkhkj<INPUT TYPE="button" οnclick="document.execCommand('Copy', 'false',

null);">////

96.鼠標移到下拉框時自動全部打開
<select οnmοuseοver="javascript:this.size=this.length" οnmοuseοut="javascript:this.size=1"></select>//

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

98.判斷客戶端是否是IE瀏覽器
因爲 document.all 是 IE 的特有屬性，所以通常用這個方法來判斷客戶端是否是IE瀏覽器 ,document.all?1:0;

99.創建新的下拉框選項
new Option(text,value)這樣的函數//

100.在頁面上畫柱狀圖
<STYLE>
td{font-size:12px}
body{font-size:12px}
v/:*{behavior:url(#default#VML);} //這裏聲明瞭v作爲VML公用變量
</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.餅圖
<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技術' style='width:10;height:10;top:10;left:0' title='得票數:6 比例:40.00%'