Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
Feature Requests
FAQ
Register
Log In
URLSearchParams.has vs URLSearchParams.get without undefined returning
(version: 0)
Benchmark.js
Comparing performance of:
URL vs URLSearchParams
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var param = "?id=4&benchmark=5832"; var url = "https://www.measurethat.net" + param; var loop = 10000; var params = new URLSearchParams(param);
Tests:
URL
params.has('test') ? params.get('test') : undefined;
URLSearchParams
params.get('test') ?? undefined;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
URL
URLSearchParams
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser/OS:
Chrome 137 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=610322" width="100%" height="500px"></iframe>
URLSearchParams
6.9M/s
URL
6.7M/s
View exact numbers
Test name
Executions per second
✓
URLSearchParams
6,887,628 Ops/sec
URL
6,734,483 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested, compared, and the pros and cons of different approaches. **Benchmark Overview** The benchmark compares two ways to access the value of a query parameter in a URL using the `URLSearchParams` API. The test cases check whether accessing the value using `has()` and then `get()`, or using the nullish coalescing operator (`??`) returns the same result as returning `undefined`. **Options Compared** There are two options being compared: 1. **Using `has()` and then `get()`**: This approach uses the `has()` method to check if a parameter exists, and if it does, calls the `get()` method to retrieve its value. 2. **Using nullish coalescing operator (`??`)**: This approach uses the nullish coalescing operator to return the first operand (in this case, the result of `has()`) if it's not `null` or `undefined`, and the second operand (which is `undefined`) otherwise. **Pros and Cons** **Using `has()` and then `get()`** Pros: * This approach is explicit and easy to understand. * It allows for better error handling, as the user can check whether the parameter exists before trying to access its value. Cons: * This approach requires two method calls, which might be slower than a single operator. * If the parameter does not exist, `get()` will return `undefined`, which might not be what the user expects. **Using nullish coalescing operator (`??`)** Pros: * This approach is concise and expressive. * It allows for a more elegant way to handle the case where the parameter does not exist. Cons: * This approach requires knowledge of the nullish coalescing operator, which might not be familiar to all developers. * If the parameter exists, the expression will evaluate to its value, rather than `undefined`. **Library and Special JS Features** There is no library used in this benchmark. However, it's worth noting that the `URLSearchParams` API is a built-in JavaScript API, introduced in ECMAScript 2015 (ES6). The nullish coalescing operator (`??`) was also introduced in ES6. **Other Considerations** * The test cases are designed to measure the performance difference between these two approaches. * The benchmark uses a fixed number of iterations (`loop = 10000`) to ensure consistent results. * The test case uses a string literal (`param`) that represents a URL with query parameters, which is used to create an instance of `URLSearchParams`. **Other Alternatives** There are other ways to access the value of a query parameter in a URL using JavaScript. Some alternatives include: * Using the `parse()` method of the `URL` API to parse the URL and extract the query parameters. * Using the `split()` method to split the URL into its components and extract the query parameters manually. * Using a third-party library or utility function that provides a way to access query parameters. However, these alternatives may have different performance characteristics or require more complex code than the two approaches being compared in this benchmark.
Related benchmarks
undefined vs. typeof vs. in vs. hasOwnProperty
undefined vs. typeof vs. in vs. hasOwnProperty vs Object.hasOwn
Comments
Confirm delete:
Do you really want to delete benchmark?