Caching length property vs getting it each time in the loop

save length of the array in the variable vs get it the loop
4 years ago
User agent: Mozilla/5.0 (Android 7.0; Mobile; rv:68.0) Gecko/68.0 Firefox/68.0
Test name Executions per second
Cache length 42603.0 Ops/sec
Do not cache 23788.3 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

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