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 char index vs charAt() vs slice() vs substr() (version: 0)

Compare methods for testing string's beggining character.

Comparing performance of: character index vs charAt() vs slice() vs substr()

Created: 2 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • substr()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    character index
    charAt()
    slice()
    substr()

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 2 months ago)
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121 on Linux
View result in a separate tab
Test name Executions per second
character index 16207590.0 Ops/sec
charAt() 15958870.0 Ops/sec
slice() 15774170.0 Ops/sec
substr() 15674630.0 Ops/sec