MeasureThat.net

Run results for: lodash.head() vs [0]

Is head() needed only to check length !== 0 ? P.s. Empty testcase for [0] is useless because it won't crash on trying to get nonexistent element

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Chrome 81
Windows
Desktop
4 years ago
Test name Executions per second
Not empty lodash.head() 3620642.5 Ops/sec
Not empty [0] 11250774.0 Ops/sec
Empty lodash.head() 3583660.2 Ops/sec
Empty [0] 11121606.0 Ops/sec
[0] with check 3777232.0 Ops/sec
[0] with null check 2757455.5 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • Not empty lodash.head()

  • Not empty [0]

  • Empty lodash.head()

  • Empty [0]

  • [0] with check

  • [0] with null check

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