Iteration level pro

var arr = ['edinson', 'richard', 'luis', 'ashly'];


 function modeQuestion() {
 	var question = prompt('Iteration Mode');
 	return question
 }

function iteration(mode){
	if(mode == 'for'){
		for(var i = 0; i < arr.length; i++) {
			console.log('Names register in arrays: ' + arr[i]);
		}
	}
	else if(mode == 'foreach') {
		arr.forEach(function(index, secondary, tree ,complete){
			console.log('Names register in arrays: ' + index);
		});
	}
	else if(mode == 'map') {
		arr.map(function(index, secondary, tree, complete){
			console.log('Names register in arrays: ' + index);
		});
	}

}
iteration(modeQuestion());