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/136.0.0.0 Safari/537.36
Chrome 136
Mac OS X 10.15.7
Desktop
one year ago
Not empty [0]
156.1M/s
Empty [0]
153.8M/s
Empty lodash.head()
146.4M/s
Not empty lodash.head()
140.2M/s
[0] with null check
109.5M/s
[0] with check
107.0M/s
View exact numbers
Test name Executions per second
✓ Not empty [0] 156,071,376 Ops/sec
Empty [0] 153,779,568 Ops/sec
Empty lodash.head() 146,354,288 Ops/sec
Not empty lodash.head() 140,225,968 Ops/sec
[0] with null check 109,482,064 Ops/sec
[0] with check 107,028,608 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: