<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
function hello1(name){
alert("Hello"+name);
}
var hello2 = function(age){
alert("당신의 나이는 : "+age);
}
window.hello3 = function(){
alert("hello3 : "+sum(10,30));
}
function sum(i,j){
return i+j;
}
// 위에 function sum의 다른 표현
/*
var sum = function(i,j){
return i+j;
}
window.sum = function(i,j){
return i+j;
}
*/
</script>
</head>
<body>
<input type="button" value="hello1" onclick='hello1("홍길동")'>
<input type="button" value="hello2" onclick="hello2(20)">
<input type="button" value="hello3" onclick="hello3()">
</body>
</html>
