var mySlowFunction = function(baseNumber) {
	var result = 0;	
	for (var i = Math.pow(baseNumber, 10); i >= 0; i--) {		
		result += Math.atan(i) * Math.tan(i);
	};
	return result;
}

console.time('mySlowFunction');
mySlowFunction(3);
console.timeEnd('mySlowFunction');