<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div id="div" style="background: palevioletred;width: 200px;height: 200px;">选中内容删除内容</div>
<form>
<input type="button" value="删除选中内容" onclick="selecion(true)">
<input type="button" value="删除选中元素" onclick="selecion(false)">
</form>
<script>
function selecion(content){
var div=document.getElementById("div");
var rangeObj=document.createRange();
if(content){
rangeObj.selectNodeContents(div);
rangeObj.deleteContents();
}else{
rangeObj.selectNode(div);
rangeObj.deleteContents();
}
}
</script>
</body>
</html>
