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javascript 实现禁止右键，复制，选取文本 (兼容firefox，IE，chrome等主流浏览器)

 
阅读更多
1. JS 禁止右键
<script type="text/javascript">document.oncontextmenu=function(e){return false;}</script>

<body onselectstart="return false">
......
  
2. CSS 禁止复制和选取
如果让整个页面都禁止选择
<style type="text/css">
body {
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
</style>
 
如果是局部
<style type="text/css">
.unselectable {
   -moz-user-select: -moz-none;
   -khtml-user-select: none;
   -webkit-user-select: none;

   /*
     Introduced in IE 10.
     See http://ie.microsoft.com/testdrive/HTML5/msUserSelect/
   */
   -ms-user-select: none;
   user-select: none;
}
</style>
 
3. 完整实例：
<style type="text/css">
body {
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
</style>
<script langauge="javascript">
document.oncontextmenu=function(e){return false;}
</script> 
</head>

<body onselectstart="return false">
... ...
 
参考： http://outofmemory.cn/code-snippet/310/css-disable-user-select-text-jianrong-suoyou-liulanqi
 
或者： 
body{
    -webkit-touch-callout: none;  
	-webkit-user-select: none;  
	-khtml-user-select: none;  
	-moz-user-select: none;  
	-ms-user-select: none;  
	user-select: none;  
}

function iEsc(){ return false; }
function iRec(){ return true; }
function DisableKeys() {
	if(event.ctrlKey || event.shiftKey || event.altKey)  {
	window.event.returnValue=false;
	iEsc();}
}

document.ondragstart=iEsc;
document.onkeydown=DisableKeys;
document.oncontextmenu=iEsc;

if (typeof document.onselectstart !="undefined") document.onselectstart=iEsc;
else
{
	document.onmousedown=iEsc;
	document.onmouseup=iRec;
}

function DisableRightClick(e)
{
	if (window.Event){ if (e.which == 2 || e.which == 3) iEsc();}
	else
		if (event.button == 2 || event.button == 3)
		{
			event.cancelBubble = true
			event.returnValue = false;
			iEsc();
		}
}
 
 
 
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