<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
function hello(name){
document.write(name + '欢迎您~');
}
hello('齐小帅'); //调用函数
//将函数写成表达式，放在对象中
var hei = function hei (site) {
document.write(site + '欢迎您');
};
hei('hello~');
</script>
</body>
</html>运行结果：齐小帅欢迎您~hello~欢迎您