Run results for: string + vs concat

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

concat

118/s

110/s

View exact numbers

Test name	Executions per second
✓ concat	118 Ops/sec
+	110 Ops/sec

Script Preparation code:

var str = "";
for (var i = 65534; i > 0; i--) str.concat(String(i));for (var i = 65534; i > 0; i--) str.concat(String(i));

Tests: