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JS技巧代码实例


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>
&nbsp;&nbsp;&nbsp;&nbsp;<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>

posted on 2011-09-08 11:02 鸿雁 阅读(223) 评论(0)  编辑  收藏 所属分类: IT技术相关


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