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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36
Test name Executions per second
Cache length 14329.8 Ops/sec
Do not cache 7190.7 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

Open this result on MeasureThat.net