Run results for: unescape vs replace function

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

unescape

20K/s

replace func

4K/s

View exact numbers

Test name	Executions per second
✓ unescape	19,668 Ops/sec
replace func	3,622 Ops/sec

Script Preparation code:

var count = 1000;

Tests:

unescape
for (var i = 0; i < count; i++) { unescape(encodeURI("日")); }
replace func
for (var i = 0; i < count; i++) { encodeURI("日").replace(/%[\da-f]{2}/gi, (char) => String.fromCodePoint(parseInt(char.replace(/%/, ""), 16))); }