我们爱分享----200多个js技巧代码

hlevel 2011-09-05 11:25:17

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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

<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>