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Lodash vs Vanilla JS (split with join)
(version: 0)
Comparing performance of:
Lodash + replace vs Vanilla Js
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Tests:
Lodash + replace
for ( let i = 0; i < 100000; i++) { _.capitalize(status).replace(/_/g, ' '); }
Vanilla Js
const status = "ACCEPTED_ON_AUDIT"; for ( let i = 0; i < 100000; i++) { status[0].toUpperCase() + status.slice(1).toLowerCase().split("_").join(" "); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Lodash + replace
Vanilla Js
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview** The provided JSON represents a benchmark test created using MeasureThat.net, a website that allows users to create and run JavaScript microbenchmarks. The test compares the performance of two approaches: using Lodash (a popular utility library for JavaScript) versus using vanilla JavaScript. **What is tested** In this test, two different approaches are compared: 1. **Lodash + replace**: This approach uses the `_.capitalize` function from Lodash to capitalize the first character of a string, and then uses the `replace` method with a regular expression to replace underscores (`_`) with spaces. 2. **Vanilla JS**: This approach uses vanilla JavaScript syntax to achieve the same result as the Lodash approach: it capitalizes the first character of a string using `toUpperCase`, converts the rest of the string to lowercase using `toLowerCase`, and then replaces underscores with spaces using `split` and `join`. **Options compared** The two approaches differ in their use of external libraries (Lodash) versus native JavaScript features. **Pros and Cons of different approaches:** 1. **Lodash + replace** * Pros: + Easier to write, as the `_.capitalize` function is provided by an external library. + Possibly faster execution time, as the optimization work has already been done by the Lodash developers. * Cons: + Additional dependency on the Lodash library, which may affect performance or security. + May introduce additional overhead due to the need to load and parse the Lodash script. 2. **Vanilla JS** * Pros: + No external dependencies, which means faster execution times and reduced overhead. + More control over the code and its optimization. * Cons: + Requires more writing and expertise in JavaScript, as specific features like `toUpperCase`, `toLowerCase`, `split`, and `join` need to be used correctly. **Library: Lodash** Lodash is a popular utility library for JavaScript that provides a wide range of functions for tasks such as string manipulation, array processing, and more. In this test, the `_capitalize` function from Lodash is used to capitalize the first character of a string. **Special JS feature or syntax: None mentioned** There are no special JavaScript features or syntaxes used in these tests. The code relies on standard JavaScript features like loops, conditionals, and array methods. **Other alternatives** If you want to create similar benchmarks for other JavaScript libraries or approaches, MeasureThat.net provides a flexible framework that allows users to customize the benchmarking process. Some potential alternatives might include: 1. **Benchmark.js**: Another popular benchmarking library for JavaScript. 2. **Bench**: A simple and lightweight benchmarking library for JavaScript. 3. **WebPageTest**: A more comprehensive tool for measuring web performance, including JavaScript benchmarks. By using these tools, you can create your own benchmarks to compare the performance of different approaches or libraries in JavaScript.
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