Run results for: Array Range

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.113 Safari/537.36

Browser: Chrome 53

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
range1	686811.6 Ops/sec
range2	2538744.5 Ops/sec

Script Preparation code:

function range1(start, stop, step, from, to) {
	if(from) {
		var value = start;
	}
	else {
		var value = start + step;
	}
	
	var length = Math.max(Math.ceil((stop - value) / step), 0);
	
	if(to && (stop % step === start % step)) {
		++length;
	}
	
	var array = Array(length);
	
	for(var i = 0; i < length; i++, value += step) {
		array[i] = value;
	}
	
	return array;
};


function range2(start, stop, step, from, to) {
	var array = [];
	
	for(var i = from ? start : start + step, l = to ? stop + 1 : stop; i < l; i += step) {
		array.push(i);
	}
	
	return array;
};

function range3(start, stop, step, from, to) {
	var length = (stop - start) / step;
	if(length > 100) {
		if(from) {
			var value = start;
		}
		else {
			var value = start + step;
		}
		
		length = Math.max(Math.ceil(length), 0);
		
		if(to && (stop % step === start % step)) {
			++length;
		}
		
		var array = Array(length);
		
		for(var i = 0; i < length; i++, value += step) {
			array[i] = value;
		}
	}
	else {
		var array = [];
		
		for(var i = from ? start : start + step, l = to ? stop + 1 : stop; i < l; i += step) {
			array.push(i);
		}
	}
	
	return array;
};

Tests:

1 - 6
range1(1, 6, 2, true, true);
2 - 6
range2(1, 6, 2, true, true);
1 - 60
range1(1, 60, 2, true, true);
2 - 60
range2(1, 60, 2, true, true);
1 - 600
range1(1, 600, 2, true, true);
2 - 600
range2(1, 600, 2, true, true);
3 - 6
range3(1, 6, 2, true, true);
3 - 60
range3(1, 60, 2, true, true);
3 - 600
range3(1, 600, 2, true, true);

Run results for: Array Range

1 - 6

2 - 6

1 - 60

2 - 60

1 - 600

2 - 600

3 - 6

3 - 60

3 - 600