Benchmark: String Object - MeasureThat.net

Tests:

Prototype
var str= ' sadfkajsbdf dfkjsbadfkjbsdkfjbaskdbfksbdfk ' var str2='' str2 = String.prototype.trim.apply(str)
Temp Object
var str= ' sadfkajsbdf dfkjsbadfkjbsdkfjbaskdbfksbdfk ' var str2='' str2 = str.trim()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Prototype
Temp Object

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**What is tested?**

The provided benchmark tests two different approaches to create an empty string (`str2`) from another string (`str`): using `String.prototype.trim.apply(str)` and using the `trim()` method directly on the `str` variable. The goal is to measure which approach is faster.

**Options compared**

There are two main options being compared:

1. **Using `String.prototype.trim.apply(str)`**: This approach uses the `apply()` method to call the `trim()` method on the `string prototype`. It's a more explicit way of calling the method, but it might incur some overhead due to the extra function call.
2. **Using `str.trim()`**: This approach uses the `trim()` method directly on the `str` variable, which is a more concise and efficient way to create an empty string.

**Pros and Cons**

**Option 1: Using `String.prototype.trim.apply(str)`**

Pros:

* It's easy to understand and implement for developers who are familiar with the `apply()` method.
* It might be useful in cases where you need to ensure that the `trim()` method is called on a specific string object.

Cons:

* As mentioned earlier, it might incur extra overhead due to the extra function call.
* The performance difference between this approach and the second option is likely negligible.

**Option 2: Using `str.trim()`**

Pros:

* It's more concise and efficient than using the `apply()` method.
* It's a common pattern in JavaScript development, making it easier for developers to understand and maintain the code.

Cons:

* The performance difference between this approach and the first option is likely negligible.

**Library usage**

There are no libraries being used in these benchmarks. They are simple JavaScript expressions that test the performance of two different approaches to create an empty string from another string.

**Special JS features or syntax**

None of the provided benchmark code uses any special JavaScript features or syntax. The focus is solely on testing the performance of two specific approaches to create an empty string.

**Other alternatives**

If you wanted to add more complexity to these benchmarks, here are a few alternative ideas:

* Compare the performance of using `String.prototype.trim.apply(str)` with using `str.trim()` in conjunction with other methods (e.g., `replace()`, `slice()`, etc.).
* Test the performance of different string manipulation algorithms, such as using regular expressions or numerical calculations to create an empty string.
* Add more test cases that simulate real-world scenarios, such as parsing large strings or handling edge cases.

Keep in mind that the focus is already on testing two specific approaches to create an empty string. Adding more complexity might make the benchmarks less straightforward to understand and compare.

Related benchmarks:

String Object (version: 0)

Comparing performance of: Prototype vs Temp Object

Created: 7 years ago by: Guest

Jump to the latest result

Prototype

Temp Object

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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