JS and Jquery

Comment out each jQuery call and replace it with native javascript Web API equivalent.

Thanks in advance

$(document). ready (function) ( This is called after the broswer has loaded the web page add mouse down 1listener to our canvas object $("#canvas 1"). mousedown (handl eMouseDown) add key handler for the document as a whole, not separate elements. $(document). keydown (handleKeyDown) $ (document). keyup (handleKeylp) timer-setInterval(handleTimer, 100) timer. clearIntervalO: I/to stop drawCanvas)