JS For in Loop
<!DOCTYPE html>
<html>
<head>
<title>JavaScript</title>
<script>
var obj = {
firstName : "Yahoo",
lastName : "Baba",
Age : 25,
email : "hello@yahoobaba.net"
};
for(var key in obj){
document.write(key + " : " + obj[key] + "<br>");
}
</script>
</head>
<body>
</body>
</html>