Run results for: Test AAAAA

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

27.3M/s

3.2M/s

View exact numbers

Test name	Executions per second
✓ A	27,319,404 Ops/sec
B	3,235,767 Ops/sec

Tests:

A
const ALLOW_LETTERS = 2; const REPLACER = '*'; var value = "ok123"; var result = value.slice(0, ALLOW_LETTERS) + REPLACER.repeat(value.length - ALLOW_LETTERS);
B
const ALLOW_LETTERS = 2; const REPLACER = '*'; var value = "ok123"; var result = value.split('').map(function(letter, index) { if (index >= ALLOW_LETTERS && !/\s/.test(letter)) { return REPLACER; } return letter; }).join('');