Run results for: (vanilla) replaceAll vs regex replace vs split&join - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:6.8) Goanna/20251016 PaleMoon/33.9.1

Browser: Pale Moon (Firefox Variant) 33

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
replace regex	1473846.4 Ops/sec
replace All	2288660.8 Ops/sec
split&join	327156544.0 Ops/sec

Tests:

replace regex
"this {a} is {a} it".replace(/\{a\}/g, "+");
replace All
"this {a} is {a} it".replaceAll("{a}", "+");
split&join
"this {a} is {a} it".split('{a}').join('+');