Run results for: Compare the ways to convert String to Number in JS

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0

Browser: Firefox 149

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Benchmark engine: Benchmark.js

30/s

28/s

>>0

28/s

parseInt

22/s

Number

13/s

View exact numbers

Test name	Executions per second
✓ *1	30 Ops/sec
+	30 Ops/sec
~~	28 Ops/sec
>>0	28 Ops/sec
parseInt	22 Ops/sec
Number	13 Ops/sec

Script Preparation code:

const minimum = 1
const maximum = 1000
var arr = Array.from({ length: 1000000 }, () => Math.floor(Math.random() * (maximum - minimum + 1)) + minimum)

Tests:

Number
return arr.map((el) => Number(el))
parseInt
return arr.map((el) => parseInt(el))
>>0
return arr.map((el) => el >> 0)
*1
return arr.map((el) => el * 1)
~~
return arr.map((el) => ~~el)
+
return arr.map((el) => +el)

Run results for: Compare the ways to convert String to Number in JS

Compare the most popular ways to convert string to number

Number

parseInt

>>0

*1

~~

+