JS技巧

Java javascript jsp 技巧語言

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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="mm" onfocus="if(value=='mm) {value=''}" onblur="if
(value=='') {value='mm'}">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 onmouseover='this.stop()' onmouseout='this.start()'
height=60>
<tr>
<td>
共和國
</table>
</marquee>
9.狀態欄顯示該頁狀態
<base onmouseover="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
<input type="radio" name="regtype" value="A03" id="A03">
<label for="A03"> 情侶 : 一次註冊兩個帳戶</label>
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>
<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" onmouseover="this.className='style2'"
onmouseout="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" onmouseover="this.className='style4'"
onmouseout="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://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>
<!--
function Addme(){
url = "http://your.site.address"; //你自己的主頁地址
title = "Your Site Name"; //你自己的主頁名稱
window.external.AddFavorite(url,title);
-->
</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 onchange='if(this.value!="")window.open(this.value)' class="textinput">
<option selected>主辦單位</option>
<option>-----------------</option>
<option value="http://www.bjd.com.cn/">北京日報</option>
<option value="http://www.ben.com.cn/">北京晚報</option>
</select>
31.改變背景顏色
<td width=* class=dp bgColor=#FAFBFC onmouseover="this.bgColor='#FFFFFF';"
onmouseout="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 onclick=haha()>
<INPUT TYPE="button" NAME="bb " value=guoguo>
<INPUT TYPE="button" NAME="bb " value=guoguo>
39.文字移動
<marquee scrollamount=3 onmouseover=this.stop(); onmouseout=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.onmousedown=sc
document.ondblclick=initialize
</SCRIPT>//
41.後退
<INPUT TYPE="button" onclick=window.history.back() value=back>
42.前進
<INPUT TYPE="button" onclick=window.history.forward() value=forward>
43.刷新
<INPUT TYPE="button" onclick=document.location.reload() value=reload>
44.轉向指定網頁
document.location="http://ww"或者document.location.assign("http://guoguo.com")
45.在網頁上顯示實時時間
<SCRIPT LANGUAGE="JavaScript">
var clock_id;
window.onload=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" onclick="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>
<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 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://bjpic.163.net/images/mail/button-help.gif"></a>

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