Benchmark: lodash.get VS getSafe: error

HTML Preparation code:

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

Script Preparation code:

var getSafe = (cb, def) => {
  try { 
    return cb();
  }catch(e){
    return def
  };
};

var obj = {a: {b: {c: {d: {e: {f: [{a: 1}]}}}}}};

Tests:

Native
for(var i = 0; i < 100000; i++){ getSafe(() => obj.a.b.c.d.x.f[0].a, ''); }
Lodash
for(var i = 0; i < 100000; i++){ _.get(obj, 'a.b.c.d.x.f[0].a', '') }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what's being tested.

**Benchmark Definition**

The benchmark is comparing two approaches to access a nested object: `lodash.get` and a custom implementation called `getSafe`.

**What are we testing?**

We're measuring the performance of these two approaches:

1. **Native**: This involves using native JavaScript methods to access the nested object, without any external library assistance.
2. **Lodash**: This uses the `lodash.get` function from the Lodash library to achieve the same goal.

**Options compared**

The options being compared are:

* **Native**: Using native JavaScript methods to access the nested object.
* **Lodash**: Using the `lodash.get` function, which is a utility function provided by the Lodash library.

**Pros and Cons of each approach:**

1. **Native**:
	* Pros:
		+ No external dependencies or overhead.
		+ Typically faster since it doesn't involve a function call and potential caching issues.
	* Cons:
		+ Requires more manual effort to access nested objects correctly.
2. **Lodash**:
	* Pros:
		+ Simplifies access to nested objects by providing a convenient API.
		+ Often has built-in optimizations for common use cases, such as caching results.
	* Cons:
		+ Introduces an external dependency and potential overhead due to the library's size and complexity.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation, object creation, and string iteration. The `lodash.get` function is specifically designed to safely access nested properties in objects, handling cases where some properties might be undefined or null.

The implementation of `getSafe` in the benchmark definition creates a custom function that attempts to call the callback function (i.e., return the value) if successful, and returns the default value if an exception occurs. This approach is similar to `lodash.get`, but without relying on the library's built-in caching and optimizations.

**Special JS feature or syntax: None mentioned**

No special JavaScript features or syntax are used in this benchmark.

**Other alternatives**

If you're looking for alternative approaches, consider the following:

* Using `Object.prototype.hasOwnProperty.call` and chaining methods to access nested properties manually.
* Utilizing libraries like Moment.js for date manipulation or Underscore.js for array operations.
* Implementing custom caching mechanisms using JavaScript's built-in caching capabilities (e.g., `WeakMap`, `Map`) or third-party libraries.

Keep in mind that each approach has its trade-offs, and the best choice depends on your specific use case, performance requirements, and personal preference.

Related benchmarks:

lodash.get VS getSafe: error (version: 0)

Comparing performance of: Native vs Lodash

Created: 7 years ago by: Guest

Jump to the latest result

Native

Lodash

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):