<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>var person = {data: {type: 'Frederick'}};_.get(person, 'data.type');const type = _.get(person, ['data', 'type']);const type = person.data.typeconst data = person.dataif(data !== null){ const type = data.type}const type = person.data?.type--enable-precise-memory-info flag.
| Test case name | Result |
|---|---|
| Lodash get string | |
| Lodash get array | |
| Native | |
| Native with checking for missing object | |
| ?. |
| Test name | Executions per second |
|---|---|
| Lodash get string | 2929418.2 Ops/sec |
| Lodash get array | 12417788.0 Ops/sec |
| Native | 865745856.0 Ops/sec |
| Native with checking for missing object | 484177152.0 Ops/sec |
| ?. | 401172160.0 Ops/sec |
Let's break down the provided benchmark and explain what's being tested.
Benchmark Overview
The benchmark compares the performance of four different approaches to access nested properties in JavaScript:
_.get with string indexing_.get with array indexingLodash .get
Lodash is a popular JavaScript utility library that provides various functions to simplify common programming tasks.
_.get is a function that allows you to access nested properties in an object using either string or array indexing.person.data.type).const type = _.get(person, ['data', 'type'])).
