Benchmark: toString vs string literal vs + empty string

Script Preparation code:

var numbers = [1, 12, 123, 1234, 12345, 123456, 1234567, 12345678, 123456789];
var strNumbers = ["1", "12", "123", "1234", "12345", "123456", "1234567", "12345678", "123456789"];

Tests:

toString a number
numbers.forEach(n => n.toString());
string literal a number
numbers.forEach(n => `${n}`);
add empty string to number
numbers.forEach(n => n + "");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
toString a number
string literal a number
add empty string to number

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser/OS: Chrome 108 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
toString a number	13682580.0 Ops/sec
string literal a number	25871240.0 Ops/sec
add empty string to number	25841250.0 Ops/sec

toString vs string literal vs + empty string (version: 0)

Comparing performance of: toString a number vs string literal a number vs add empty string to number

Created: one year ago by: Guest

Jump to the latest result

toString a number

string literal a number

add empty string to number

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A