用chrome运行 下面html 但是运行但childNodes.* 的时候就报错,难道不支持这个写法了
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>DOM</title>
</head>
<body>
<div>
<h1>sdf</h1>
<h2>ser</h2>
</div>
<script>
var someNode = document.getElementsByTagName('div');
console.log(someNode);
console.log(someNode.childNodes.length);
console.log(someNode.childNode[0]);
console.log(someNode.childNode.item(1));
</script>
</body>
</html>
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