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实用javascript代码收藏

2011-11-06 20:55 239 查看

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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