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;dfsgijdf;iosogjdsia;ojfgfdisojgfdis;ogio
(version: 0)
Comparing performance of:
For vs For String vs find vs Var vs For Of
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
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"text": "678", "reply": null, "attachments": [], "error": false }, { "id": 111795, "author": { "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "name": "Сударкин Денис Михайлович", "role": "doctor" }, "user": { "id": 514550, "name": "7xxxxxxxx98", "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "email": "v.hristoforov@napopravku.ru", "phone": "79219295098", "city": { "id": 2, "name": "Санкт-Петербург" } }, "type": "message_sent", "viewed": true, "conversationUuid": "f50713e2-24dd-49da-8d73-5a81056f54c7", "createdAt": "2022-07-19T12:48:16.000Z", "text": "678", "reply": null, "attachments": [], "error": false }, { "id": 1111795, "author": { "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "name": "Сударкин Денис Михайлович", "role": "doctor" }, "user": { "id": 514550, "name": "7xxxxxxxx98", "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "email": "v.hristoforov@napopravku.ru", "phone": "79219295098", "city": { "id": 2, "name": "Санкт-Петербург" } }, "type": "message_sent", "viewed": true, "conversationUuid": "f50713e2-24dd-49da-8d73-5a81056f54c7", "createdAt": "2022-07-19T12:48:16.000Z", "text": "678", "reply": null, "attachments": [], "error": false }, { "id": 111111795, "author": { "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "name": "Сударкин Денис Михайлович", "role": "doctor" }, "user": { "id": 514550, "name": "7xxxxxxxx98", "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "email": "v.hristoforov@napopravku.ru", "phone": "79219295098", "city": { "id": 2, "name": "Санкт-Петербург" } }, "type": "message_sent", "viewed": true, "conversationUuid": "f50713e2-24dd-49da-8d73-5a81056f54c7", "createdAt": "2022-07-19T12:48:16.000Z", "text": "678", "reply": null, "attachments": [], "error": false }, { "id": 22222795, "author": { "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "name": "Сударкин Денис Михайлович", "role": "doctor" }, "user": { "id": 514550, "name": "7xxxxxxxx98", "avatar": "https://resizer-1.napopravku.ru/iblock/xqw/y46/xqwy46p6k7jrky4o1yebhi1tol49zltvsdmyutai.png?width=150&height=150&position=top&mode=fit", "email": "v.hristoforov@napopravku.ru", "phone": "79219295098", "city": { "id": 2, "name": "Санкт-Петербург" } }, "type": "message_sent", "viewed": true, "conversationUuid": "f50713e2-24dd-49da-8d73-5a81056f54c7", "createdAt": "2022-07-19T12:48:16.000Z", "text": "678", "reply": null, "attachments": [], "error": false }] firstForKey = (array, value, key) => { const stringKey = String(key); for (let i = 0; i < array.length - 1; i++) { if (array[i][stringKey] === value[stringKey]) { return array[i][stringKey]; } } return null; }; firstForKeyVar = (array, value, key) => { var stringKey = String(key); for (var i = 0; i < array.length - 1; i++) { if (array[i][stringKey] === value[stringKey]) { return array[i][stringKey]; } } return null; }; forOf = (array, value, key) => { var stringKey = String(key); for (let elem of array) { if (elem[stringKey] === value[stringKey]) { return elem; } } return null; }; firstForKeyString = (array, value, key) => { for (let i = 0; i < array.length - 1; i++) { if (array[i][String(key)] === value[String(key)]) { return array[i][String(key)]; } } return null; }; find = (array, value, key) => { array.find((item) => item[String(key)] === value[String(key)]); }
Tests:
For
firstForKey(a, 1111111111111, 'id')
For String
firstForKeyString(a, 1111111111111, 'id')
find
find(a, 1111111111111, 'id')
Var
firstForKeyVar(a, 1111111111111, 'id')
For Of
forOf(a, 1111111111111, 'id')
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Suite status:
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Test case name
Result
For
For String
find
Var
For Of
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
The benchmark results show the performance of four different functions: `firstForKey`, `firstForKeyString`, `forOf`, and `find`. The functions are used to find an element in an array based on a key. Here's a brief analysis of the results: * `firstForKey` and `firstForKeyString`: These functions use traditional for loops to iterate through the array. They have similar performance, with `firstForKeyString` being slightly faster due to string interpolation. * Executions per second: `firstForKey`: 2051873.25, `firstForKeyString`: 388330.5 * `forOf`: This function uses a for...of loop and has the fastest execution speed among all four functions. * Executions per second: 1971422.5 * `find`: The performance of this function is similar to `firstForKey` and `firstForKeyString`, which makes sense since it's essentially doing the same thing with a different API. * Executions per second: 302890.53125 Based on these results, if you need to find an element in an array based on a key, using a for...of loop (`forOf`) is likely the best option due to its fast execution speed. However, if string interpolation is required (as in `firstForKeyString`), that function will be slightly faster than `firstForKey`.
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