删除属性使用 removeAttribute方法。
删除节点使用 parentNode.removeChild(node)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Page Title</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script type="text/javascript">
onload=function(){
btn.onclick=function(){
var container = document.querySelector('#container');
var textInput = document.querySelector('#text');
var testBtn = document.querySelector('#test');
testBtn.removeAttribute('onclick');
container.removeChild(textInput);
}
}
</script>
</head>
<body>
<div id="container">
<input type="text" name="text" id="text" value="" />
<input type="button" value="仅作测试" id="test" onclick ="javascript:alert('存在点击事件Attribute')" />
<input type="button" value="删除按钮的onclick及id=text的文本框" id="btn" />
</div>
</body>
</html>
