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 <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> <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>