Add to Leaderboard AJAX Script

add_to_leaderboard_with_ajax.js

// Guys, we need to write a little javascript here
// to add the user's score to our database
var playerName = "nUb";
var score = points;

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
    // document.getElementById("demo").innerHTML = this.responseText;
        alert(this.responseText);
    }
};
xhttp.open("POST", "add_score_to_leaderboard.php", true);
var myFormData = new FormData();
myFormData.append("playerName", playerName);
myFormData.append("score", score);
xhttp.send(myFormData);