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 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0
Test name Executions per second
Cache length 818717.0 Ops/sec
Do not cache 862021.6 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

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