Run results for: parseInt vs parseFloat vs number vs multiply vs +

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.2

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
ParseInt	9987252.0 Ops/sec
Number	9240761.0 Ops/sec
+	20647118.0 Ops/sec
multiply	20354576.0 Ops/sec
parseFloat	7889030.5 Ops/sec

Script Preparation code:

var strB = "42";

Tests:

ParseInt
var res =parseInt(strB);
Number
var res =Number(strB);
+
var res = +strB;
multiply
var res = strB * 1
parseFloat
var res =parseFloat(strB);

Run results for: parseInt vs parseFloat vs number vs multiply vs +

ParseInt

Number

+

multiply

parseFloat