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

Compare methods for testing string's beginning character.

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

Created: 3 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • character index

  • charAt()

  • startsWith()

  • slice()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

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

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.2 Safari/605.1.15
Safari 14 on Mac OS X 10.15.6
View result in a separate tab
Test name Executions per second
character index 6975243.0 Ops/sec
charAt() 7249608.0 Ops/sec
startsWith() 6518434.0 Ops/sec
slice() 7230761.0 Ops/sec