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add vs object
(version: 0)
Comparing performance of:
set.add vs object add
Created:
2 years ago
by:
Guest
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Tests:
set.add
const set = new Set() for (let i = 0; i < 1000; i++) { set.add(i) }
object add
const set = {} for (let i = 0; i < 1000; i++) { set[i] = 1 }
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Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
set.add
object add
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the JavaScript microbenchmark on MeasureThat.net. **Benchmark Definition** The benchmark definition is represented by two JSON objects, which describe the individual test cases. In this case, we have only two test cases: 1. `set.add`: This test case creates a new Set object and adds 1000 elements to it using the `add()` method. 2. `object add`: This test case creates an empty object and assigns 1000 values to its keys using bracket notation (`[i] = 1`). **Options Compared** The benchmark compares two approaches: 1. Using a Set object (`set.add`) 2. Using an object with array-like behavior (`object add`) **Pros and Cons of Each Approach** 1. **Set Object (`set.add`)** * Pros: + Fast lookup and insertion times (average O(1) time complexity) + Memory-efficient + Can handle duplicate values * Cons: + May require additional memory for the underlying data structure + Some older browsers may not support Sets natively 2. **Object with Array-like Behavior (`object add`)** * Pros: + Wide browser support (no native Set support needed) + Easy to implement and understand * Cons: + Slower lookup and insertion times (average O(n) time complexity due to array indexing) + Less memory-efficient than using a Set object **Library Usage** There is no explicit library usage mentioned in the benchmark definition. However, note that some older browsers may have issues with Sets natively. **Special JS Features or Syntax** The benchmark uses JavaScript's array-like syntax (`[i] = 1`) to simulate an object with array-like behavior. This syntax is not exclusive to modern JavaScript and has been supported for a long time, but it's worth noting that more concise alternatives like `set[i] = 1` could also be used. **Other Alternatives** If you're looking for alternative approaches, consider the following: * Using a Map object instead of an object with array-like behavior * Implementing a custom data structure (e.g., a linked list) for fast lookup and insertion times Keep in mind that these alternatives may not be as widely supported or well-suited to your specific use case.
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