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  • 200多个js技巧代码(一)

    从CSDN上整理到的200多个js技巧,留着方便以后随时查阅,O(∩_∩)O哈哈~

    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; 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- 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>
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  • 原文地址:https://www.cnblogs.com/xiaoluo501395377/p/2736275.html
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