Can any one please help me ...... to how to use this script

Question

var mouseDown = false;
window.onmousedown = function (ev) { mouseDown = ev.button === 0 }
window.onmouseup = function () { mouseDown = false; }
window.setInterval(function () {
if (mouseDown) { fireKeyboardEvent("keydown", 32); fireKeyboardEvent("keyup", 32); fireKeyboardEvent("keydown", 69); fireKeyboardEvent("keyup", 69); }
}, 50);

Answer 1

I think it is better if you start learning JS from the beginning. 😊 It helps you to understand the functions