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Uppercase first letter
(version: 0)
Comparing performance of:
Native vs Lodash vs Native replace
Created:
4 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
var text = "banana"
Tests:
Native
text.charAt(0).toUpperCase() + text.slice(1)
Lodash
_.upperFirst(text)
Native replace
text.replace(/./, c => c.toUpperCase())
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Native
Lodash
Native replace
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0
Browser/OS:
Chrome 134 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=592973" width="100%" height="500px"></iframe>
Native
77.8M/s
Lodash
24.6M/s
Native replace
4.2M/s
View exact numbers
Test name
Executions per second
✓
Native
77,767,616 Ops/sec
Lodash
24,583,410 Ops/sec
Native replace
4,179,928 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark definition and test cases to understand what is being tested. **Benchmark Definition** The benchmark definition provides two scripts for uppercasing the first letter of a given text: `text.charAt(0).toUpperCase() + text.slice(1)` (Native) and `_.upperFirst(text)` (Lodash). **Options Compared** Two approaches are compared: 1. **Native**: This approach uses native JavaScript methods (`charAt` and `slice`) to upper-case the first letter of the text. 2. **Lodash**: This approach uses a library function from Lodash, a popular utility library for JavaScript (`_.upperFirst(text)`). **Pros and Cons** * **Native**: + Pros: No external dependencies, likely to be faster since it doesn't require loading an additional library. + Cons: May have better performance due to being implemented in native code, but also may have more overhead due to the need for explicit method calls. * **Lodash**: + Pros: Easier to read and maintain, especially if you're familiar with Lodash functions. Also, it allows for a single function call that can handle various text manipulation tasks. + Cons: Requires loading an external library, which may introduce overhead due to network latency. **Library** In this benchmark, the `lodash` library is used. Lodash is a popular utility library that provides many useful functions for tasks such as string manipulation, array operations, and more. The `_.upperFirst(text)` function takes a string input and returns the uppercased first character of the string. **Special JS Feature/Syntax** There are no special JavaScript features or syntax used in this benchmark. All tests use standard JavaScript methods and library functions from Lodash. **Other Alternatives** If you're interested in exploring alternative approaches, here are some options: * **Use a different utility library**: Instead of using Lodash, you could use another library like Underscore.js or Moment.js. * **Implement the uppercasing logic yourself**: You could write your own custom implementation for uppercasing the first letter of a string using native JavaScript methods. Keep in mind that when using alternative approaches, you may need to consider factors such as performance, code readability, and library dependencies.
Related benchmarks
Lodash vs Native Uppercase first letter
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