Run results for: Number vs + vs parseFloat vs parseInt - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.3 Safari/605.1.15

Browser: Safari 16

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Number	3959074.8 Ops/sec
Unary +	4920928.0 Ops/sec
parseFloat	4023377.8 Ops/sec
parseInt	5007692.5 Ops/sec

Tests:

Number
let number = Number(Math.random().toString());
Unary +
let unary = +Math.random().toString();
parseFloat
let parse = parseFloat(Math.random().toString());
parseInt
let parse = parseInt(Math.random().toString());

;