escalator-web/src/main.js

let game, context;

if (window.cordova) {
    document.addEventListener("deviceready", start, false);
} else {
    start();
}

function start() {
    if (typeof StatusBar !== 'undefined') {
        StatusBar.hide();
    }

    init();
    loop();
}

function init() {

    let canvas = document.getElementById('canvas');
    game = new Game(canvas);

}

function loop() {

    // Manage physics
    game.update();

    // Do rendering
    game.render();

    requestAnimationFrame(loop);
}