Caching length property vs getting it each time in the loop

save length of the array in the variable vs get it the loop
5 years ago
User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36
Test name Executions per second
Cache length 14067.8 Ops/sec
Do not cache 7044.0 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

Open this result on MeasureThat.net