版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/BrightLD/article/details/78863020
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>outerHMTL的兼容处理</title>
</head>
<body>
<div id="box" style="background:red;width:100px;height: 100px;">
<span>你好啊</span>
</div>
<script>
var box= document.getElementById("box");
Node.prototype.myOuterHTML=function outerHTML () {
var _this=this;
var chating=_this.cloneNode(true)
var myDiv=document.createElement("div");
myDiv.appendChild(chating);
var str= myDiv.innerHTML;
chating=null;
return str;
};
console.log(box.myOuterHTML());
</script>
</body>
</html>