Benchmark: IndexOf vs Includes vs Reg StartsWith vs Reg Includes in string

Script Preparation code:

var string = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.';

	var matcherSW = new RegExp("^tempor","i");
	var matcherInc = new RegExp("tempor","i");

Tests:

IndexOf
string.indexOf('tempor')
Includes
string.includes('tempor')
Reg StartWith
matcherSW.test(string)
Reg Includes
matcherInc.test(string)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
IndexOf
Includes
Reg StartWith
Reg Includes

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 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

Browser/OS: Firefox 108 on Windows

View result in a separate tab

Test name	Executions per second
IndexOf	1281395000.0 Ops/sec
Includes	28000910.0 Ops/sec
Reg StartWith	39431870.0 Ops/sec
Reg Includes	22704710.0 Ops/sec

IndexOf vs Includes vs Reg StartsWith vs Reg Includes in string (version: 0)

Banana

Comparing performance of: IndexOf vs Includes vs Reg StartWith vs Reg Includes

Created: one year ago by: Guest

Jump to the latest result

IndexOf

Includes

Reg StartWith

Reg Includes

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A