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  • 实用javascript代码收藏

    禁止屏蔽类:
    1.禁止右键
    <body oncontextmenu=return(false)>   
    2.禁止选择
    <body onselectstart="return false">    
    3.禁止粘帖
    <body onpaste="return false">   
    4.禁止直接访问 [必须框架内才行]
    <script> if (top == self)top.location.href = "page.htm";  </script>   
    5.禁止frame引用 
    <script> if (top != self)top.location.href = "page.htm";  </script>   
    6.禁止功能键Shift,Alt,Ctrl 
    <script>function key(){  if(event.shiftKey) alert("Shift不允许使用!");} document.onkeydown=key; </script>
       
    数据取得类
    1.取得分辨率 
    <script>document.write("宽为"+screen.Width+"高为"+screen.Height)</script>   
    2.取得地址栏 
    <script>document.write(self.location)</script>   
    3.取得地址栏?后参数 
    <SCRIPT>var add = top.location; add = add.toString(); document.write (add.substring(add.indexOf("?")+1,add.length)); </SCRIPT> 
      
    常用特效类 
    1.主页遥控器
    文件一.(a1.html) 
    <SCRIPT language="JavaScript"> window.open("a2.html","_blank","width=200","height=200","scroll=no"); </SCRIPT>   
    文件二.(a2.html) 
    <SCRIPT language="JavaScript"> function op(add){if (window.opener){window.opener.document.location = add;}} </SCRIPT>        
    <a href=# onClick="op('link1.html')">地址1 </a><br>       
    <a href=# onClick="op('link2.html')">地址2 </a><br>       
    <a href=# onClick="op('link2.html')">地址3 </a>   
    2.只弹一次的窗口
    <script> function get_cookie(Name) { var search = Name + "=" var returnvalue = ""; if (document.cookie.length > 0) {offset = document.cookie.indexOf(search)     if (offset != -1) {offset += search.length;end = document.cookie.indexOf(";", offset);     if (end == -1)end = document.cookie.length;returnvalue=unescape(document.cookie.substring(offset, end))} } return returnvalue; } function ad(){ if (get_cookie('ad')==''){ document.cookie="ad=yes" window.open("ad.html","_blank","width=200","height=200","scroll=no"); } else {} } </script> <body> <script> ad(); </script  
    3.鼠标放在连接上强行点击
    <script>   function mClk2() {var source=event.srcElement;if (source.tagName=="A"){source.click();self.focus();}}   document.write("<div onmouseover=mClk2();>");   </script>

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  • 原文地址:https://www.cnblogs.com/youxin/p/2238371.html
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