Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
text replacement vs _.replace vs replace
(version: 0)
Comparing performance of:
_.replace vs replace
Created:
5 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>
Script Preparation code:
var string = "qwertyuiopasdfghjklzxcvbnmqwerty";
Tests:
_.replace
_.replace(string, "qwer", "asdf")
replace
string.replace("qwer", "asdf")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
_.replace
replace
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares two JavaScript methods for replacing characters in a string: `string.replace()` (built-in method) and `_.replace()` from the Lodash library. The goal is to measure which approach is faster. **Options Compared** Two options are compared: 1. `string.replace()`: This is the built-in JavaScript method for replacing characters in a string. 2. `_._replace()`: This is a function from the Lodash library that performs a similar operation. **Pros and Cons of Each Approach** **`string.replace()`** Pros: * Built-in method, likely optimized for performance by the JavaScript engine. * Simple to implement and understand. Cons: * May not be as efficient as the Lodash implementation due to overhead in the JavaScript engine's optimization process. * Not available in older JavaScript engines or environments that don't support modern ES6 features. **_._replace() from Lodash** Pros: * Optimized for performance, likely using a more efficient algorithm than the built-in method. * Can be used across different JavaScript versions and environments. Cons: * Requires including the Lodash library in the test code. * May have additional overhead due to the library's presence. **Other Considerations** When choosing between these two approaches, consider the trade-offs between simplicity, performance, and compatibility. If you need a simple, lightweight solution that works well in most environments, `string.replace()` might be sufficient. However, if you prioritize optimal performance or need support for older JavaScript versions, `_._replace()` from Lodash could be a better choice. **Library: Lodash** Lodash is a popular JavaScript utility library developed by Isaac Schlueter. It provides a wide range of functions and helpers for tasks such as array manipulation, string processing, and more. The `_.replace()` function is part of the "Utilities" module in Lodash, which offers various string replacement and search functions. **Special JS Feature/Syntax** There are no special JavaScript features or syntax used in this benchmark. Both tests use standard JavaScript syntax and rely on the built-in methods (or their library counterparts) to perform the replacements. **Alternatives** If you don't want to use Lodash, you can also consider using other libraries or implementing your own string replacement function using a more optimized algorithm. Some alternatives might include: * A custom implementation using bitwise operations or regular expressions. * Other JavaScript libraries that provide similar functionality, such as jQuery or Ramda. * Using a different approach altogether, like compiling the replacements into native code (e.g., using WebAssembly) for optimal performance. Keep in mind that these alternatives will depend on your specific use case and requirements.
Related benchmarks:
lodash trim vs native replace
lodash trim vs replace
lodash vs native replace
text replacement vs _.replace vs replace 2
Comments
Confirm delete:
Do you really want to delete benchmark?