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obj creation
(version: 0)
Comparing performance of:
plain obj vs freez obj
Created:
5 years ago
by:
Guest
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Tests:
plain obj
var a = {id: 1, name: 'some name'}
freez obj
var b = Object.freeze({id: 1, name: 'some name'})
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
plain obj
freez obj
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **What is being tested?** The provided benchmark measures the execution time of creating objects in JavaScript. Specifically, it compares two approaches: 1. Creating an object using the traditional syntax: `var a = {id: 1, name: 'some name'}` 2. Freezing an object using the `Object.freeze()` method: `var b = Object.freeze({id: 1, name: 'some name'})` The benchmark aims to determine which approach is faster and more efficient. **Options compared** The two options being compared are: * Traditional object creation (`var a = {...}`) * Frozen object creation using `Object.freeze()` **Pros and Cons of each approach** **Traditional Object Creation** Pros: * Easy to understand and use * Can be used in most JavaScript scenarios Cons: * Creates a new, disposable object that can be garbage collected immediately * May require additional memory allocation for the created object **Frozen Object Creation using `Object.freeze()`** Pros: * Ensures that the object cannot be modified after creation * Can be useful in situations where data integrity is crucial (e.g., data binding) Cons: * Creates a new, immutable object that cannot be changed * May require additional memory allocation for the created object **Library and Special JS Feature** In this benchmark, there are no explicit libraries or special JavaScript features being used. The focus is solely on comparing the two object creation approaches. However, it's worth noting that the `Object.freeze()` method was introduced in ECMAScript 5 (ES5) and has been a part of the standard since then. It's widely supported by most modern browsers and engines. **Other Alternatives** There are other ways to create objects in JavaScript, such as: * Using the constructor function syntax: `function Person() { this.id = 1; this.name = 'some name'; }` * Using a class syntax (introduced in ECMAScript 2015/ES6): `class Person { constructor() { this.id = 1; this.name = 'some name'; } }` These alternatives are not being tested in this benchmark, as the focus is on comparing traditional object creation and frozen object creation using `Object.freeze()`. I hope this explanation helps software engineers understand the test case and its underlying logic!
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