Benchmark: Lodash omit vs delete in a

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

Delete in a
let a = { "name": "john doe", "isNew": true }; if ("isNew" in a) {delete a["isNew"];}
Lodash omit in a
let a = { "name": "john doe", "isNew": true }; _.omit(a, ["isNew"]);

Rendered benchmark preparation results:

Previous results

Test case name	Result
Delete in a
Lodash omit in a

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Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 17 on iOS 17.5.1

Test name	Executions per second
Delete in a	437886400.0 Ops/sec
Lodash omit in a	3053259.0 Ops/sec

Lodash omit vs delete in a (version: 0)