Benchmark: generateRandomString

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function generateRandomString1(length) {
  const characters =
    'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  let result = '';
  for (let i = 0; i < length; i++) {
    const randomIndex = Math.floor(Math.random() * characters.length);
    result += characters.charAt(randomIndex);
  }
  return result;
}

Tests:

generateRandomString1
generateRandomString1(8)
Math.floor(Math.random() * 9000000000) + 1000000000
Math.floor(Math.random() * 9000000000) + 1000000000
Math.floor(Math.random() * 1000000000)
Math.floor(Math.random() * 1000000000)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
generateRandomString1
Math.floor(Math.random() * 9000000000) + 1000000000
Math.floor(Math.random() * 1000000000)

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Math.floor(Math.random() * 9000000000) + 1000000000

87.3M/s

Math.floor(Math.random() * 1000000000)

86.4M/s

generateRandomString1

7.1M/s

View exact numbers

Test name	Executions per second
✓ Math.floor(Math.random() * 9000000000) + 1000000000	87,343,368 Ops/sec
Math.floor(Math.random() * 1000000000)	86,376,784 Ops/sec
generateRandomString1	7,116,735 Ops/sec

generateRandomString (version: 2)

Comparing performance of: `generateRandomString1 vs Math.floor(Math.random() * 9000000000) + 1000000000 vs Math.floor(Math.random() * 1000000000)`

Created: one year ago by: Registered User

Go to the latest result

generateRandomString1

Math.floor(Math.random() * 9000000000) + 1000000000

Math.floor(Math.random() * 1000000000)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

generateRandomString (version: 2)

Comparing performance of: generateRandomString1 vs Math.floor(Math.random() * 9000000000) + 1000000000 vs Math.floor(Math.random() * 1000000000)

Created: one year ago by: Registered User

Go to the latest result

generateRandomString1

Math.floor(Math.random() * 9000000000) + 1000000000

Math.floor(Math.random() * 1000000000)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `generateRandomString1 vs Math.floor(Math.random() * 9000000000) + 1000000000 vs Math.floor(Math.random() * 1000000000)`