var KeyBind = {}; KeyBind.add = function(elm, key, func) { var keycode; var m = null; var sp = { "Up" : 38, "Down" : 40, "Right" : 39, "Left" : 37 } if(key) { key.replace(/^(([CSA])-)?(\w+)$/, function($0, $1, $2, $3) { if($2) { m = ({ C :…