Benchmark: Lodash max vs Math.max (lodash 4.7.11)

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.7.11/lodash.min.js'></script>

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 1000; i++){
  arr.push({value:getRandomInt(100)});
}

Tests:

_.max
_.max(arr);
Math.max
Math.max(...arr)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.max
Math.max

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON benchmark definition and explanations.

**Benchmark Definition:**
The benchmark compares two approaches for finding the maximum value in an array:

1. `_.max(arr)` using Lodash library (version 4.7.11)
2. `Math.max(...arr)` (using the built-in JavaScript function)

**Options Compared:**

* **Lodash's `_`-prefixed functions**: These are utility functions provided by the Lodash library, which extends JavaScript with additional features.
* **Built-in JavaScript functions**: Specifically, the `max()` function within the `Math` object.

**Pros and Cons of Each Approach:**

1. **Lodash's `_._max`**:
	* Pros: Often provides more functionality and flexibility, especially for complex data structures like objects or arrays with nested properties.
	* Cons: Adds an additional library dependency, which may not be ideal for smaller projects or those targeting older browsers due to polyfill requirements.
2. **Built-in JavaScript `Math.max()`**:
	* Pros: No additional dependencies required, and it's a well-established standard function in the JavaScript ecosystem.
	* Cons: May not support all edge cases or data structures (e.g., objects with nested properties).

**Lodash Library Explanation:**
The Lodash library is a popular utility belt for JavaScript that provides a comprehensive set of functional programming helpers. The `_max` function within Lodash finds the maximum value in an array, handling various types of input and edge cases.

**JavaScript Feature/ Syntax Explanation (Not applicable):**
Since neither of the tested approaches relies on a special JavaScript feature or syntax, there's nothing to explain here.

**Other Alternatives:**
If you need to find the maximum value in an array without using Lodash or the built-in `Math.max()` function:

* **Array.prototype.reduce()**: You can use this method to reduce the array to a single value (the maximum) by providing a callback function that takes two arguments, `a` and `b`, where `a` is the accumulator and `b` is the current element being processed.
* **Array.prototype.forEach()**: Although not as efficient as `reduce()` or `Math.max()`, you can use this method to iterate through the array and accumulate the maximum value.

Here's a basic example using `reduce()`:
```javascript
const arr = [...]; // your array
let max = arr[0];
arr.forEach((element) => {
  if (element > max) {
    max = element;
  }
});
```
Keep in mind that these alternatives might be less efficient than the built-in `Math.max()` function.

Latest run results:

Run details: (Test run date: 9 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 Edg/130.0.0.0

Browser/OS: Chrome 130 on Windows

View result in a separate tab

Test name	Executions per second
_.max	8304.0 Ops/sec
Math.max	10297.1 Ops/sec

Related benchmarks:

Lodash max vs Math.max (lodash 4.7.11) (version: 0)

Comparing performance of: _.max vs Math.max

Created: 5 years ago by: Guest

Jump to the latest result

_.max

Math.max

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):