Benchmark: Type coercion benchmark

Tests:

let number = +'100'
let number = +'100'
let number = parseInt('100')
let number = parseInt('100')
let str = "" + 100
let str = "" + 100
let str = String(100)
let str = String(100)
let number = Number("100")
let number = Number("100")
let bool = !!1
let bool = !!1
let bool = Boolean(1)
let bool = Boolean(1)
let str = new String(100)
let str = new String(100)
let number = 100
let number = 100
let number = new Number("100")
let number = new Number("100")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
let number = +'100'
let number = parseInt('100')
let str = "" + 100
let str = String(100)
let number = Number("100")
let bool = !!1
let bool = Boolean(1)
let str = new String(100)
let number = 100
let number = new Number("100")

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Windows

View result in a separate tab

let bool = !!1

107.8M/s

let number = 100

105.8M/s

let number = +'100'

104.7M/s

let str = "" + 100

102.9M/s

let str = new String(100)

8.7M/s

let number = Number("100")

8.6M/s

let number = parseInt('100')

8.5M/s

let bool = Boolean(1)

8.5M/s

let str = String(100)

8.2M/s

let number = new Number("100")

7.1M/s

View exact numbers

Test name	Executions per second
✓ let bool = !!1	107,816,104 Ops/sec
let number = 100	105,781,600 Ops/sec
let number = +'100'	104,677,912 Ops/sec
let str = "" + 100	102,924,360 Ops/sec
let str = new String(100)	8,712,519 Ops/sec
let number = Number("100")	8,638,681 Ops/sec
let number = parseInt('100')	8,546,226 Ops/sec
let bool = Boolean(1)	8,542,353 Ops/sec
let str = String(100)	8,193,978 Ops/sec
let number = new Number("100")	7,142,400 Ops/sec

Type coercion benchmark (version: 0)

Comparing performance of: `let number = +'100' vs let number = parseInt('100') vs let str = "" + 100 vs let str = String(100) vs let number = Number("100") vs let bool = !!1 vs let bool = Boolean(1) vs let str = new String(100) vs let number = 100 vs let number = new Number("100")`

Created: one year ago by: Guest

Go to the latest result

let number = +'100'

let number = parseInt('100')

let str = "" + 100

let str = String(100)

let number = Number("100")

let bool = !!1

let bool = Boolean(1)

let str = new String(100)

let number = 100

let number = new Number("100")

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Type coercion benchmark (version: 0)

Comparing performance of: let number = +'100' vs let number = parseInt('100') vs let str = "" + 100 vs let str = String(100) vs let number = Number("100") vs let bool = !!1 vs let bool = Boolean(1) vs let str = new String(100) vs let number = 100 vs let number = new Number("100")

Created: one year ago by: Guest

Go to the latest result

let number = +'100'

let number = parseInt('100')

let str = "" + 100

let str = String(100)

let number = Number("100")

let bool = !!1

let bool = Boolean(1)

let str = new String(100)

let number = 100

let number = new Number("100")

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Comparing performance of: `let number = +'100' vs let number = parseInt('100') vs let str = "" + 100 vs let str = String(100) vs let number = Number("100") vs let bool = !!1 vs let bool = Boolean(1) vs let str = new String(100) vs let number = 100 vs let number = new Number("100")`