Benchmark: URLSearchParams.has vs URLSearchParams.get

Script Preparation code:

var param = "?id=4&benchmark=5832";
var url = "https://www.measurethat.net" + param;
var loop = 10000;

Tests:

URL
new URLSearchParams(param).has('benchmark');
URLSearchParams
new URLSearchParams(param).get('benchmark') == null;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
URL
URLSearchParams

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the benchmark and explain what's being tested.

**What is being tested?**

The provided JSON represents two test cases for measuring the performance of JavaScript microbenchmarks. The first test case, "URL", tests the time it takes to perform a simple string comparison using the `has()` method on an instance of `URLSearchParams`. The second test case, "URLSearchParams", measures the time it takes to retrieve a value from an instance of `URLSearchParams` using the `get()` method.

**Options compared**

In this benchmark, two approaches are being compared:

1. **Using `has()` method**: This approach uses the `has()` method on an instance of `URLSearchParams` to check if a specific key exists in the search parameters.
2. **Using `get()` method**: This approach uses the `get()` method on an instance of `URLSearchParams` to retrieve a value associated with a specific key.

**Pros and Cons of each approach**

1. **`has()` method**:
	* Pros: More readable code, can be more efficient if the search parameters are relatively small.
	* Cons: Can be slower than `get()` for large search parameter sets, since it requires iterating over all keys to check if the key exists.
2. **`get()` method**:
	* Pros: Faster for large search parameter sets, since it directly returns the value associated with a specific key without requiring iteration.
	* Cons: Can be slower for small search parameter sets or when using `has()` for readability.

**Library and purpose**

The `URLSearchParams` API is part of the Web APIs specification. It allows you to easily work with query strings in JavaScript, making it easier to parse, manipulate, and verify URL parameters.

**Special JS feature or syntax**

None mentioned explicitly, but it's worth noting that modern browsers support ES6+ syntax features like template literals (`\r\nvar param = \"?id=4&benchmark=5832\";`) and arrow functions (`var loop = 10000;`).

**Other alternatives**

If you need to parse or manipulate URL parameters in JavaScript, other options include:

1. **Querystring API**: This is a built-in Node.js module that provides a simple way to work with query strings.
2. **URL parser libraries**: Libraries like `urlparser` or `query-string-parser` provide more advanced features for parsing and manipulating URLs.
3. **Third-party libraries**: There are many third-party libraries available, such as `qs` or `url-params`, that can help you work with query strings in JavaScript.

In conclusion, the benchmark is testing two approaches to working with URL search parameters: using the `has()` method versus using the `get()` method. The choice of approach depends on the specific use case and performance requirements.

Related benchmarks:

URLSearchParams.has vs URLSearchParams.get (version: 0)

Comparing performance of: URL vs URLSearchParams

Created: 3 years ago by: Guest

Jump to the latest result

URL

URLSearchParams

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):