Help is needed in javascript!

Question

Translation from Google. I speak English very badly. Help make a virtual joystick on pure javascript, for the game. Thank you in advance!

Answer 1

http://www.dummies.com/programming/programming-games/how-to-create-a-virtual-joystick-for-your-html5-game/
This can help you :)
Traducción: Esto puede ayudarte :)