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/65.0.3325.181 Safari/537.36
Test name Executions per second
Cache length 8361.4 Ops/sec
Do not cache 4143.1 Ops/sec
Script Preparation code:
Tests:
  • Cache length

  • Do not cache

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