【转载】200多个js技巧代码
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>
原文地址：http://topic.csdn.net/u/20110905/11/1D40C9AA-B24E-4DE8-BD85-F8925884C557.html
