Run results for: RegEx.test vs. String.includes vs. String.match vs == .slice - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/114.0

Browser: Firefox 114

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
RegEx.test	28612470.0 Ops/sec
String.includes	48052412.0 Ops/sec
String.match	12232949.0 Ops/sec
==	186998560.0 Ops/sec
=== known length	196597584.0 Ops/sec
startsWith	1058203072.0 Ops/sec

Script Preparation code:

var string = "Hello world!";
var regex = /Hello/;

Tests:

RegEx.test
regex.test(string);
String.includes
string.includes("Hello");
String.match
string.match("Hello");
==
"Hello" == string.slice(0, "Hello".length);
=== known length
string.slice(0, 5) === "Hello"
startsWith
string.startsWith("Hello")

;