标签：head viewport city back select title round idt opacity
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>阻止用户复制页面上的文字</title>
<style>
#box{
/* 禁止文字选中 */
user-select: none;
position: relative;
}
/* 添加遮罩层 */
em{
width: 100%;
height: 100%;
position: absolute;
background-color: black;
opacity: 0.4;
top: 0;
left: 0;
z-index:10;
}
</style>
</head>
<body>
<div id="box">
<p>阻止用户复制页面上的文字</p>
<em></em>
</div>
</body>
<script>
// 禁止使用右键复制
document.oncontextmenu =function (eve){
var e=eve||window.event;
e.returnValue = false|| e.preventDefault();
}
// 禁用选中功能
document.onselectstart =function(){
return false;
};
</script>
</html>
标签：head viewport city back select title round idt opacity
原文地址：https://www.cnblogs.com/cupid10/p/12891693.html
