var UserSelect = function (canvas, value){ 
if (value === undefined) { 
value = 'none'; 
} 
var vendors = ['-webkit-', '-khtml-', '-moz-', '-ms-', ''] ; 
vendors.forEach(function (vendor){ 
canvas.style[vendor + 'user-select'] = value; 
} 
); 
canvas.style["-webkit-touch-callout"]  = value; 
canvas.style["-webkit-tap-highlight-color"]  = 'rgba(0, 0, 0, 0)'; 
return canvas; 
} 
; 
module.exports = UserSelect;