Caching length property vs getting it each time in the loop

save length of the array in the variable vs get it the loop
one year ago
User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Mobile/15E148 Safari/604.1
Test name Executions per second
Cache length 19180.2 Ops/sec
Do not cache 8409.2 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

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