<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
var person={
name:'jerry',
height:'177'
};
document.write(person.hasOwnProperty('name'));
</script>
</body>
</html>
沒有留言:
張貼留言