Benchmark: array find vs object key search

Tests:

obj key
const array = [ { id: 1, name: "John", age: 25 }, { id: 2, name: "Jane", age: 30 }, { id: 3, name: "Bob", age: 40 }, { id: 4, name: "Alice", age: 35 }, { id: 5, name: "Tom", age: 28 }, { id: 6, name: "Emily", age: 32 }, { id: 7, name: "Peter", age: 45 }, { id: 8, name: "Amy", age: 27 }, { id: 9, name: "David", age: 38 }, { id: 10, name: "Sarah", age: 33 }, { id: 11, name: "Mike", age: 29 }, { id: 12, name: "Sara", age: 36 }, { id: 13, name: "Jack", age: 42 }, { id: 14, name: "Lisa", age: 26 }, { id: 15, name: "Oliver", age: 31 }, { id: 16, name: "Grace", age: 37 }, { id: 17, name: "Tim", age: 41 }, { id: 18, name: "Eva", age: 24 }, { id: 19, name: "Harry", age: 34 }, { id: 20, name: "Mia", age: 39 }, { id: 21, name: "Alex", age: 23 }, { id: 22, name: "Laura", age: 43 }, { id: 23, name: "Max", age: 44 }, { id: 24, name: "Lucy", age: 26 }, { id: 25, name: "Luke", age: 28 }, { id: 26, name: "Emma", age: 30 }, { id: 27, name: "Ryan", age: 36 }, { id: 28, name: "Liam", age: 29 }, { id: 29, name: "Sophie", age: 31 }, { id: 30, name: "Daniel", age: 33 }, { id: 31, name: "Hannah", age: 27 }, { id: 32, name: "William", age: 40 }, { id: 33, name: "Chloe", age: 32 }, { id: 34, name: "Eric", age: 45 }, { id: 35, name: "Lily", age: 38 }, { id: 36, name: "Finn", age: 42 }, { id: 37, name: "Ava", age: 35 }, { id: 38, name: "Leo", age: 24 }, { id: 39, name: "Julia", age: 37 }, { id: 40, name: "Connor", age: 28 }, { id: 41, name: "Zoe", age: 33 }, { id: 42, name: "Henry", age: 41 }, { id: 43, name: "Molly", age: 26 }, ]; const getResult = (id) => { return array.find((item) => { return item.id === id ? item : null; }); }; getResult(43)
array.find
const obj = { 1: { name: "John", age: 25 }, 2: { name: "Jane", age: 30 }, 3: { name: "Bob", age: 40 }, 4: { name: "Alice", age: 35 }, 5: { name: "Tom", age: 28 }, 6: { name: "Emily", age: 32 }, 7: { name: "Peter", age: 45 }, 8: { name: "Amy", age: 27 }, 9: { name: "David", age: 38 }, 10: { name: "Sarah", age: 33 }, 11: { name: "Mike", age: 29 }, 12: { name: "Sara", age: 36 }, 13: { name: "Jack", age: 42 }, 14: { name: "Lisa", age: 26 }, 15: { name: "Oliver", age: 31 }, 16: { name: "Grace", age: 37 }, 17: { name: "Tim", age: 41 }, 18: { name: "Eva", age: 24 }, 19: { name: "Harry", age: 34 }, 20: { name: "Mia", age: 39 }, 21: { name: "Alex", age: 23 }, 22: { name: "Laura", age: 43 }, 23: { name: "Max", age: 44 }, 24: { name: "Lucy", age: 26 }, 25: { name: "Luke", age: 28 }, 26: { name: "Emma", age: 30 }, 27: { name: "Ryan", age: 36 }, 28: { name: "Liam", age: 29 }, 29: { name: "Sophie", age: 31 }, 30: { name: "Daniel", age: 33 }, 31: { name: "Hannah", age: 27 }, 32: { name: "William", age: 40 }, 33: { name: "Chloe", age: 32 }, 34: { name: "Eric", age: 45 }, 35: { name: "Lily", age: 38 }, 36: { name: "Finn", age: 42 }, 37: { name: "Ava", age: 35 }, 38: { name: "Leo", age: 24 }, 39: { name: "Julia", age: 37 }, 40: { name: "Connor", age: 28 }, 41: { name: "Zoe", age: 33 }, 42: { name: "Henry", age: 41 }, 43: { name: "Molly", age: 26 }, }; const getResult = (id) => { return obj[id] ? obj[id] : null; }; getResult('43')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
obj key
array.find

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'll do my best to answer your question without any preamble.

So, you have an array of objects with 'name' and 'age' properties, and you want to know the result of accessing an object at a specific index using `getResult` function.

The code snippet you provided is:

```javascript
const obj = {
  // ... array of objects ...
};

const getResult = (id) => {
  return obj[id] ? obj[id] : null;
};

getResult('43')
```

To answer your question, the result of calling `getResult('43')` would be an object with 'name' and 'age' properties.

The actual value of the returned object depends on the data in the array. Since you haven't provided the exact contents of the array, I'll assume a random value for demonstration purposes:

```javascript
const obj = {
  // ... array of objects ...
};

const getResult = (id) => {
  return obj[id] ? obj[id] : null;
};

getResult('43') // returns { name: "Molly", age: 26 }
```

Please provide more context or the actual data in the array if you want a specific answer.

Related benchmarks:

array find vs object key search (version: 5)

Comparing performance of: obj key vs array.find

Created: 3 years ago by: Registered User

Jump to the latest result

obj key

array.find

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):