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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Mac OS X 10.15.7
Desktop
one year ago
Not empty [0]
208.8M/s
Empty [0]
197.1M/s
[0] with check
163.6M/s
[0] with null check
162.3M/s
Empty lodash.head()
112.9M/s
Not empty lodash.head()
112.8M/s
View exact numbers
Test name Executions per second
✓ Not empty [0] 208,829,280 Ops/sec
Empty [0] 197,130,736 Ops/sec
[0] with check 163,594,048 Ops/sec
[0] with null check 162,275,968 Ops/sec
Empty lodash.head() 112,947,664 Ops/sec
Not empty lodash.head() 112,760,280 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: