startsWith vs includes vs regex test when no match (version: 0)

Comparing performance of: "Hello this is a test, would you look at that".startsWith("bonjour") vs "Hello this is a test, would you look at that".includes("bonjour") vs /^bonjour/.test("Hello this is a test, would you look at that")

Created: 2 years ago by: Registered User
Go to the latest result
Tests:
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    "Hello this is a test, would you look at that".startsWith("bonjour")
    "Hello this is a test, would you look at that".includes("bonjour")
    /^bonjour/.test("Hello this is a test, would you look at that")

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 2 years ago)
Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/124.0.6367.71 Mobile/15E148 Safari/604.1
Chrome Mobile iOS 124 on iOS 17.4
View result in a separate tab
/^bonjour/.test("Hello this is a test, would you look at that")
516.8M/s
"Hello this is a test, would you look at that".startsWith("bonjour")
79.1M/s
"Hello this is a test, would you look at that".includes("bonjour")
33.6M/s
View exact numbers
Test name Executions per second
✓ /^bonjour/.test("Hello this is a test, would you look at that") 516,786,816 Ops/sec
"Hello this is a test, would you look at that".startsWith("bonjour") 79,062,032 Ops/sec
"Hello this is a test, would you look at that".includes("bonjour") 33,572,068 Ops/sec

Related benchmarks