copy and paste it into an entirely blank html doc/web page or a notepad++ save it as HTML then open it to run it automatically in browser. If you want to share code, the easiest way is to upload it to a server and share the link.
<!DOCTYPE html>
<html>
<head>
<meta charset=”UTF-8″>
<title>name game</title>
</head>
<body>
<h1> the name game </h1>
<script>
var lastName = “”
var firstName = “”
var initial = “”
var name = “”
firstName = prompt(“Hi dickhead, what’s your first name?”, “”);
alert (“Hi, dickhead!” + ” I mean, ” + firstName, “”);
lastName = prompt(“What’s your surname then, beef?”,””)
initial = prompt(“Do you have a middle name? if not just make one up. What is your middle initial?”,””);
name = firstName + ” ” + initial + ” ” + lastName;
alert (“So your name is ” + name + ” That’s stupid!”);
</script>
</body>
</html>