<!DOCTYPE html>
<html>
<head>
<script>
window.onload = function(){
var items = new Array('apple','orange','cherry','lime');
var sep = '*';
concatenateString(items,sep);
alert(items);
alert(sep);
}
function concatenateString(strings,separator){
var result = "";
for(var i=0; i<strings.length; i++){
result += strings[i] + separator;
}
//결과를 separator에 할당
separator = result;
//배열에도 할당
strings[strings.length] = result;
}
</script>
</head>
<body>
</body>
</html>