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/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36

Browser: Chrome 91

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Number	845205.0 Ops/sec
Unary +	1176629.1 Ops/sec
parseFloat	905269.9 Ops/sec
parseInt	972587.8 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());