Caching length property vs getting it each time in the loop

save length of the array in the variable vs get it the loop
2025 years ago
User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0
Test name Executions per second
Cache length 202681.0 Ops/sec
Do not cache 123297.2 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

Open this result on MeasureThat.net