Run results for: .startsWith() vs .test() vs .match() vs .indexOf() vs equality v2 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
regexp .test()	459953568.0 Ops/sec
string .match()	202424592.0 Ops/sec
indexOf === 0	605003264.0 Ops/sec
string .startsWith()	88612312.0 Ops/sec
Equality	652614656.0 Ops/sec

Script Preparation code:

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

Tests:

regexp .test()
/^https?:\/\//.test(html)
string .match()
!!html.match(/^https:\/\//)
indexOf === 0
html.indexOf('https://') === 0
string .startsWith()
html.startsWith('https://')
Equality
html === "https://www.google.com"