HTML, JavaScript: concat()
<!DOCTYPE html>
<html>
<head>
<style>
code {
background-color: LightGrey;
}
</style>
</head>
<body>
<p>Concatinate three following arrays:</p>
<p>
<code>
var north = ["Ainsley", "Baxter"];<br>
var east = ["Cara", "Daniel"];<br>
var south = ["Elaine", "Frank"];
</code>
</p>
<button onclick="myFunction()">Concatinate</button>
<p id="demo"></p>
<script>
function myFunction() {
var north = ["Ainsley", "Baxter"];
var east = ["Cara", "Daniel"];
var south = ["Elaine", "Frank"];
var people = north.concat(east, south);
document.getElementById("demo").innerHTML = people;
}
</script>
</body>
</html>