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bruhhh
(version: 0)
Compare the new ES6 spread operator with the traditional slice() method
Comparing performance of:
Array.prototype.slice vs spread operator
Created:
4 years ago
by:
Guest
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Tests:
Array.prototype.slice
var params = [ "hello", true, 7 ]; var other = params.slice();
spread operator
var params = [ "hello", true, 7 ] var other = [ ...params ]
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Suite status:
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Result
Array.prototype.slice
spread operator
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and its options. The benchmark is designed to compare two approaches for creating a copy of an array in JavaScript: the traditional `slice()` method and the new ES6 spread operator (`[ ...params ]`). **Options being compared:** 1. **Array.prototype.slice()**: This is a built-in method in the Array prototype that creates a shallow copy of an array. 2. **ES6 Spread Operator ([ ...params ])**: This is a syntax feature introduced in ECMAScript 2015 (ES6) that allows creating a new array by spreading the elements of an existing array. **Pros and Cons:** * **Array.prototype.slice()**: + Pros: widely supported, efficient, and easy to use. + Cons: can be slower than the spread operator for large arrays, and it creates a shallow copy (i.e., only copies the references to the original elements). * **ES6 Spread Operator ([ ...params ])**: + Pros: modern, fast, and creates a deep copy of the array (i.e., all nested objects are recursively copied). + Cons: not as widely supported as `slice()`, might be slower for very large arrays due to the overhead of creating a new array. Other considerations: * The spread operator has some additional benefits beyond just creating an array copy, such as allowing for more flexible and expressive code. * However, it's also worth noting that using the spread operator can lead to unexpected behavior if not used carefully (e.g., when dealing with `null`, `undefined`, or other special values). **Library/Additional Features:** There are no external libraries being used in this benchmark. **Special JS Features/Syntax:** * The ES6 spread operator (`[ ...params ]`) is a syntax feature introduced in ECMAScript 2015 (ES6). * There's no specific mention of any other special JavaScript features or syntax being used in this benchmark.
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