Add elements to the beggining of an array
A simple example of adding elements to the beggining of an array.
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<script>
var vehicles = ["Lamborghini", "Ferrari", "A-10 Thunderbolt", "F-16", "Mi-7", "T-34/85", "Titanic"];
console.log("Vehicles before adding new elements = " + vehicles);
vehicles.unshift("Ospray", "F-22", "F-18");
console.log("Vehicles after adding new elements = " + vehicles);
</script>
</body>
</html>