<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
var text = "banana"
text.charAt(0).toUpperCase() + text.slice(1)
_.capitalize(text);
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Native | |
Lodash |
Test name | Executions per second |
---|---|
Native | 4357012.5 Ops/sec |
Lodash | 2986433.8 Ops/sec |
Let's break down the benchmark and its components.
Benchmark Definition
The benchmark is comparing two approaches to capitalize the first letter of a string:
charAt
and toUpperCase
methods directly on the JavaScript object (in this case, the text
variable).capitalize
function from the Lodash library.Options Compared
The benchmark is comparing two options:
Pros and Cons of Each Approach
Native:
Pros:
Cons:
charAt
and toUpperCase
.Lodash:
Pros:
capitalize
function provides a clear intent.Cons:
Library: Lodash
Lodash is a popular JavaScript utility library that provides a collection of helper functions for common tasks like string manipulation, array operations, and more. The capitalize
function in this benchmark is part of the String utils module, which helps normalize strings by capitalizing the first letter while making all other letters lowercase.
Special JS Feature/ Syntax
In this benchmark, there is no special JavaScript feature or syntax being tested. Both native and Lodash approaches use standard JavaScript methods and functions.
Other Alternatives
If you need to compare string manipulation approaches in a benchmark, consider using other libraries or methods like:
String.prototype.toCapital()
(supported by modern browsers)String.prototype.replace()
with a regex patternstringify
from the String-Parser projectKeep in mind that each alternative may have its own pros and cons, depending on the specific requirements and constraints of your benchmark.
In summary, this benchmark is testing the performance difference between using native JavaScript methods (charAt
and toUpperCase
) versus the Lodash library's capitalize
function for string manipulation. The results provide insight into which approach might be more suitable for specific use cases or environments.