Run results for: .startsWith() vs .test() vs .includes() vs .indexOf() - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
regexp .test()	24342452.0 Ops/sec
string .includes()	618025280.0 Ops/sec
indexOf === 0	568251776.0 Ops/sec
string .startsWith()	587229248.0 Ops/sec

Script Preparation code:

var html = "https://www.google.com";

Tests:

regexp .test()
/^https?:\/\//.test(html)
string .includes()
html.includes('http://')
indexOf === 0
html.indexOf('http://') === 0
string .startsWith()
html.startsWith('https://')