js replace vs substr

Test of replace vs substr
one month ago
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0
Test name Executions per second
replace 11655220.0 Ops/sec
substr 46116080.0 Ops/sec
Script Preparation code:
Tests:
  • replace

  • substr

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