Caching length property vs getting it each time in the loop

save length of the array in the variable vs get it the loop
2 years ago
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36
Test name Executions per second
Cache length 16020.8 Ops/sec
Do not cache 8263.3 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

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