Benchmark: test lodash trim and js replace

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Script Preparation code:

var testCase = "\"test' case`to check `how much time it'd be taken";

Tests:

lodash trim
_.trim(testCase, "\"'`")
js replace
testCase.replace(/["'`]/g, '')
js replaceAll
testCase.replaceAll(/["'`]/g, '')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash trim
js replace
js replaceAll

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0

Browser/OS: Firefox 101 on Linux

View result in a separate tab

Test name	Executions per second
lodash trim	830792.4 Ops/sec
js replace	4626744.5 Ops/sec
js replaceAll	3603165.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what is being tested, compared, and considered.

**Benchmark Overview**

MeasureThat.net allows users to create and run JavaScript microbenchmarks. The benchmark in question tests three different approaches for trimming or replacing special characters from a string:

1. `_.trim(testCase, "\"\''")"` (using Lodash's trim function)
2. `testCase.replace(/[\"'`]/g, '')` (using JavaScript's built-in replace method with a regular expression)
3. `testCase.replaceAll(/[\"'`]/g, '')` (using JavaScript's built-in replaceAll method with a regular expression)

**Options Compared**

The three options are compared in terms of execution speed, measured in executions per second.

* Lodash's trim function is used to remove leading and trailing special characters (`"\''"`).
* JavaScript's built-in replace method is used to replace all occurrences of special characters with an empty string.
* JavaScript's built-in replaceAll method is used to replace all occurrences of special characters with an empty string (note that this method is not widely supported in older browsers).

**Pros and Cons**

Here are some pros and cons for each approach:

1. **Lodash's trim function**:
	* Pros: Simple to use, well-tested, and widely supported.
	* Cons: May be slower than built-in methods due to the overhead of a library function.
2. **JavaScript's built-in replace method**:
	* Pros: Fast, widely supported, and easy to use.
	* Cons: Can be less efficient for large strings due to the regular expression engine's complexity.
3. **JavaScript's built-in replaceAll method**:
	* Pros: Convenient and easy to use, but not widely supported in older browsers.
	* Cons: May be slower than the other two options due to its own overhead.

**Library Used**

The Lodash library is used for the trim function. Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as string manipulation, array operations, and more.

**Special JS Feature or Syntax**

There are no special JS features or syntaxes used in this benchmark. However, it's worth noting that some browsers may have specific extensions or plugins that can affect performance.

**Other Alternatives**

If you're looking for alternative approaches to trimming or replacing special characters, here are a few options:

1. **Using a string replacement library**: Libraries like Sprintf.js or StringTemplate.js provide more advanced string manipulation capabilities than Lodash's trim function.
2. **Implementing your own regular expression engine**: You can write your own custom regular expression engine using JavaScript's built-in regex functionality.
3. **Using a different string processing approach**: Depending on the specific requirements of your application, you may be able to use alternative approaches such as using a state machine or a finite automaton.

In summary, this benchmark compares three approaches for trimming or replacing special characters from a string: Lodash's trim function, JavaScript's built-in replace method, and JavaScript's built-in replaceAll method. The choice of approach depends on factors such as performance requirements, browser support, and personal preference.

Related benchmarks:

test lodash trim and js replace (version: 0)

test lodash trim and js replace

Comparing performance of: lodash trim vs js replace vs js replaceAll

Created: 3 years ago by: Guest

Jump to the latest result

lodash trim

js replace

js replaceAll

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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