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 local vs global regex performance in js functions (v2) (version: 0)

Do regular expressions become faster in javascript, when we put them in the global scope, or doesn't it matter when we declare them directly in a function?

Comparing performance of: regex directly in function vs regex in global scope

Created: 3 years ago by: Guest
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HTML Preparation code:
Script Preparation code:
Tests:

  • regex directly in function

  • regex in global scope

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    regex directly in function
    regex in global scope

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4692.8 Safari/537.36
Chrome 100 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
regex directly in function 15363.3 Ops/sec
regex in global scope 15580.4 Ops/sec
Related benchmarks: