Mouse events, key event

input_events_basic.js

document.addEventListener('keyup', function (event) {
	var key = event.keyCode;
	var letter = String.fromCharCode(key);
});

document.addEventListener('mousemove', function (event) {
	console.log("mouse move x:", event.clientX, "y:", event.clientY);
});

document.addEventListener('mousedown', function (event) {
	console.log("mouse downt at x:", event.clientX, "y:", event.clientY);
});