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          JS技巧代碼實(shí)例


          1.文本框焦點(diǎn)問題
          onBlur:當(dāng)失去輸入焦點(diǎn)后產(chǎn)生該事件
          onFocus:當(dāng)輸入獲得焦點(diǎn)后,產(chǎn)生該文件
          Onchange:當(dāng)文字值改變時(shí),產(chǎn)生該事件
          Onselect:當(dāng)文字加亮后,產(chǎn)生該文件

          <input type="text" value="mm" onfocus="if(value=='mm) {value=''}" onblur="if
          (value=='') {value='mm'}"
          >點(diǎn)擊時(shí)文字消失,失去焦點(diǎn)時(shí)文字再出現(xiàn)


          2.網(wǎng)頁按鈕的特殊顏色
          <input type=button name="Submit1" value="郭強(qiáng)" size=10 class=s02

          style="background-color:rgb(235,207,22)">

          3.鼠標(biāo)移入移出時(shí)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(dòng)
          <marquee direction=up scrollamount=1 scrolldelay=100 onmouseover='this.stop()' onmouseout='this.start()'

          height=60>
          <!-- head_scrolltext -->
          <tr>
          <td>
          共和國
          </table>        <!-- end head_scrolltext -->
          </marquee>

          9.狀態(tài)欄顯示該頁狀態(tài)
          <base onmouseover="window.status='網(wǎng)站建設(shè) http://www.webmake.cn/' ;return true">

          10.可以點(diǎn)擊文字實(shí)現(xiàn)radio選項(xiàng)的選定
          <br>
          &nbsp;&nbsp;&nbsp;&nbsp;<input type="radio" name="regtype" value="A03" id="A03">
          <label for="A03"> 情侶 : 一次注冊兩個(gè)帳戶</label> <br>

          11.可以在文字域的font寫onclick事件

          12.打印
          </a>打印網(wǎng)頁
          <a href='javascript:window.print ()'>

          13.線型輸入框
          <input type="text" name="key"  size="12" value="關(guān)鍵字" onFocus=this.select() onMouseOver=this.focus()

          class="line">

          14.顯示文檔最后修改日期
          <script language=javascript>
          function hi(str)
          {
          document.write(document.lastModified)

          alert(
          "hi"+str+"!")
          }
          </script>

          15.可以在鼠標(biāo)移到文字上時(shí)就觸發(fā)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(jù)網(wǎng)頁上的選項(xiàng)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>
          <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.將按鈕的特征改變
          <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(zhuǎn)至目標(biāo)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(biāo)簽
          <label for="AltName4"><input name="AltName" type="RADIO" tabindex="931"  id="AltName4"

          >guoqiang99859</label>

          25.layer2為組件的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(dòng)關(guān)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(zhuǎn)化為數(shù)字
          month
          = parseInt(char)

          30.點(diǎn)擊value非空的選項(xiàng)時(shí)轉(zhuǎn)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(bào)</option>
             
          <option value="http://www.ben.com.cn/">北京晚報(bào)</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.改變水平線的特征
          <hr size="0" noshade color="#C0C0C0">

          34.傳遞參數(shù)的方式
          <a href="vote.asp?CurPage=8&id=3488">8</a>

          35.頁內(nèi)跳轉(zhuǎn)
          <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(gè)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(wǎng)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(dòng)
          <marquee scrollamount=3 onmouseover=this.stop(); onmouseout=this.start();>

          40.雙擊網(wǎng)頁自動(dòng)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.前進(jìn)
          <INPUT TYPE="button" onclick=window.history.forward() value=forward>

          43.刷新
          <INPUT TYPE="button" onclick=document.location.reload() value=reload>

          44.轉(zhuǎn)向指定網(wǎng)頁
          document.location="http://ww"或者document.location.assign("http://guoguo.com")

          45.在網(wǎng)頁上顯示實(shí)時(shí)時(shí)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(biāo)文件"http://

          47.連接數(shù)據(jù)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(nèi)寫下所需內(nèi)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,使其為雙線
          <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>

          posted on 2011-09-08 11:02 鴻雁 閱讀(307) 評論(0)  編輯  收藏 所屬分類: IT技術(shù)相關(guān)

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