javascript 对象中属性的查找。hasOwnProperty 和 ‘name’ in object;

发表于 作者 jiukeshuju 
<!DOCTYPE html>
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    <meta charset="UTF-8">
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    <title>Document</title>
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<body>

<script>
	function abc(name,age,sex){
		this.name = name;
		this.age = age;
		this.sex = sex;
	}
	abc.prototype.nationality = '中国';
	var abca = new abc('wulei',30,'nv');
	
	console.log(abca);
	abca.hasOwnProperty('name');
	
	alert('name' in abca);
	
</script>

	
</body>
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