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我们爱分享----200多个js技巧代码

 
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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="mm" onfocus="if(value=='mm) {value=''}" onblur="if(value=='') {value='mm'}">

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

<inputtype=buttonname="Submit1" value="郭强" size=10class=s02style="background-color:rgb(235,207,22)">

3.鼠标移入移出时颜色变化

<inputtype="submit" value="找吧" name="B1" onMouseOut=this.style.color="blue"onMouseOver=this.style.color="red"class="button">

4.平面按钮

<inputtype=submitvalue=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

<inputtype=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

<inputtype="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

<marqueedirection=upscrollamount=1scrolldelay=100onmouseover='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

<baseonmouseover="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>

&nbsp;&nbsp;&nbsp;&nbsp;

<inputtype="radio" name="regtype" value="A03" id="A03"><labelfor="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

<inputtype="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

<scriptlanguage=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>

<scriptlanguage="LiveScript">

<!-- Hiding function hello() { alert("哈罗!"); }

</script>

</head>

<body>

<ahref="" 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>

<BODYSTYLE="font-family:Arial">

<B>Changing Background Colors</B>

<BR>

<FORM>

<SELECT SIZE="8" onChange="bgChange(this);">

<OPTION>Red<OPTION>

<OPTION>Yellow<OPTION>

<OPTION>Blue<OPTION>

<OPTION>Violet<OPTION>

<OPTION>pink<OPTION>

</SELECT>

</FORM>

</BODY>

</HTML>

17.将按钮的特征改变

<styletype="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:

<inputtype="submit" name="Submit" value="提 交" onmouseover="this.className='style2'"onmouseout="this.className='style1'" class="style1">

18.改变按钮的图片.

<styletype="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:

<inputtype="submit" name="Submit2" value="提 交" onmouseover="this.className='style4'"onmouseout="this.className='style3'" class="style3">

19.打印页面<divalign="center"><aclass=contenthref="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

<selectname="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formUpdateSN('guoqiang99267',this.form)function UpdateSN(strValue,strForm){ strForm.SignInName.value = strValue; return false;}

24.文字标签

<labelfor="AltName4">

<inputname="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

<scriptlanguage=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

< scriptlanguage="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

<tdwidth=* class=dp bgColor=#FAFBFConmouseover="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>

<inputname=contenttype=text size="47" class="input2" maxlength="50">

33.改变水平线的特征

<hrsize="0" noshade color="#C0C0C0">

34.传递参数的方式

<ahref="vote.asp?CurPage=8&id=3488">8</a>

35.页内跳转

<a href="#1">1</a>

<ahref="#2">2</a>

<ahref="#3">3</a>

<ahref="#4">4</a>

<ahref="#5">5</a>

<ahref="#6">6</a>

<ahref="#7">7</a>

<aname="1">dfdf</a>

<aname="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

<SCRIPTLANGUAGE="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>

<formname=form1>

<INPUTTYPE="button" NAME="aa " value=cindyonclick=haha()>

<INPUTTYPE="button" NAME="bb " value=guoguo>

<INPUTTYPE="button" NAME="bb " value=guoguo>

39.文字移动

<marqueescrollamount=3onmouseover=this.stop();onmouseout=this.start();>

40.双击网页自动跑

<SCRIPTLANGUAGE="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=scdocument.ondblclick=initialize</SCRIPT>//

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

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

43.刷新<INPUTTYPE="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

<SCRIPTLANGUAGE="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

<INPUTTYPE="button" onclick="a1.innerHTML='<font color=red>*</font>'"><divid=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 1px1px 1px

}

</style>

完整的css

50.新建frame<ahref="javascript:newframe('http://www.163.net/help/a_little/index.html','http://www.163.net/help/a_little/a_13.html')"><imgalt=帮助 border=0 src="http://bjpic.163.net/images/mail/button-help.gif"></a>

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