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Array.prototype.concat vs spread without JQuery
(version: 0)
Compare the new ES6 spread operator with the traditional concat() method
Comparing performance of:
Array.prototype.concat vs spread operator
Created:
3 years ago
by:
Guest
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Tests:
Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Array.prototype.concat
spread operator
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview of the Benchmark** The provided JSON represents a JavaScript microbenchmark that compares two approaches for concatenating arrays: the traditional `concat()` method and the new ES6 spread operator (`...`). **What is being tested?** The benchmark tests which approach is faster between these two methods: 1. `Array.prototype.concat(params)` ( traditional approach) 2. `[ 1, 2, ...params ]` (new ES6 spread operator) **Options compared** Two options are compared in this benchmark: * Option 1: The traditional `concat()` method + Pros: - Wide browser support (most browsers have implemented `concat()`) + Cons: - Can be slower due to its implementation details (e.g., creating a new array) * Option 2: The new ES6 spread operator (`...`) **Pros and Cons** * Option 1 (traditional approach): + Pros: - Wide browser support + Cons: - Can be slower due to its implementation details * Option 2 (new ES6 spread operator): + Pros: - Faster performance + Cons: - May not work in older browsers that don't support the new syntax **Library and syntax** There are no libraries mentioned in this benchmark. The test only uses built-in JavaScript features. **Special JS feature or syntax** The benchmark utilizes the new ES6 spread operator (`...`), which was introduced in ECMAScript 2015 (ES6). This feature allows you to create a new array by spreading elements from an existing array. **Other alternatives** If you want to test other approaches, you could also consider: * Using `Array.prototype.push()` * Using `Array.prototype.splice()` * Using a custom implementation However, these alternatives might not be as straightforward or widely supported as the traditional `concat()` method and the new ES6 spread operator. **Benchmark preparation code** The provided JSON doesn't contain any script or HTML preparation code. The benchmark only provides two test cases with specific JavaScript code snippets to compare. I hope this explanation helps!
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