HTML5 Games: Creating Fun with HTML5, CSS3, and WebGL typo

I recently started reading a book titled "HTML5 Games: Creating Fun with HTML5, CSS3, and WebGL"  and it's good so far. But I found a small typo at the beginning so share it here: Listing 2.8 The Initial Game Module function showScreen(screenId) { var activeScreen = $("#game .screen.active")[0], screen = $("#" + screenId)[0]; if (activeScreen) … Continue reading HTML5 Games: Creating Fun with HTML5, CSS3, and WebGL typo