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경연대회 파인랩배 3회
(version: 0)
Comparing performance of:
민수님 코드 vs 동규 코드
Created:
3 years ago
by:
Guest
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Tests:
민수님 코드
const url = "https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"; url.slice(0, -4).split("/").slice(-1)[0];
동규 코드
const url = "https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"; url.split("/").pop().replace(".png", "");
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
민수님 코드
동규 코드
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain what's being tested in the provided benchmark. **Benchmark Definition** The benchmark definition is an empty object, which means that the test case doesn't require any specific setup or environment. This makes it easy to run and understand the results. **Individual Test Cases** There are two individual test cases: 1. "민수님 코드" (Min-soo's code) 2. "동규.codes" (Dong-gyu's code) Both test cases involve manipulating a URL string using JavaScript. **Test Case 1: Min-soo's Code** ```javascript const url = "https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"; url.slice(0, -4).split("/").slice(-1)[0]; ``` This test case takes a URL string and extracts the file extension (`.png`) from it. The `slice()` method is used to remove the last 4 characters (`-4`), and then the resulting string is split using the `/` character as a delimiter. Finally, the last element of the resulting array is extracted. **Test Case 2: Dong-gyu's Code** ```javascript const url = "https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"; url.split("/").pop().replace(".png", ""); ``` This test case is similar to Min-soo's code, but it uses `split()` and `pop()` instead of `slice()`. The `pop()` method returns the last element of the array, which in this case is the file extension. Then, the `.png` suffix is removed using the `replace()` method. **Comparison** Both test cases aim to extract the file extension from a URL string. However, they use different methods: * Min-soo's code uses `slice()`, which removes characters from the beginning of the string. * Dong-gyu's code uses `split()` and `pop()`, which splits the string into an array and returns the last element. **Pros and Cons** Pros: * Min-soo's code is more concise and doesn't require creating an array. * Dong-gyu's code is more explicit and shows the intention of extracting the file extension from the URL. Cons: * Min-soo's code assumes that the URL always ends with `.png`, which might not be the case for all URLs. * Dong-gyu's code uses `pop()`, which can be less efficient than using `slice()` or other methods. **Library and Special JS Feature** Neither test case uses a library, but they do use special JavaScript features: * Min-soo's code uses the spread operator (`...`) to create an array from the slice result. * Dong-gyu's code doesn't use any special features beyond basic string manipulation. **Other Alternatives** If you wanted to benchmark different approaches for extracting file extensions from URLs, here are some alternatives: 1. Using `URL` API: You can use the `URL` API to parse the URL and extract the path component, which would contain the file extension. ```javascript const url = new URL("https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"); const filePath = url.pathname; const fileExtension = filePath.split('.').pop(); ``` 2. Using regular expressions: You can use a regular expression to match the file extension in the URL. ```javascript const url = "https://nodam.s3.ap-northeast-2.amazonaws.com/members/stickers/16d19840_1665029576804_image.png"; const regex = /\.png$/; const fileExtension = url.match(regex)[0]; ``` These alternatives would provide different results and performance characteristics compared to the original test cases.
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