<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
//1.生活中。（找对象）
//2.编程中。(封装信息)
function printStuInfo(name,age,address){
console.log(name);
console.log(age);
console.log(address);
}
function printStuInfo(student){
console.log(student.name);
console.log(student.age);
console.log(student.address);
}
</script>
</body>
</html>
原文：http://www.cnblogs.com/sj1988/p/6579936.html