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W3Schools
w3schools.com › js › js_array_sort.asp
JavaScript Array Sort
ES2023 added the toSorted() method as a safe way to sort an array without altering the original array.
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Esri Community
community.esri.com › home › developers › arcgis maps sdk for javascript
JavaScript Array of Objects Sorting: How to Sort by a Specific Object Property - Esri Community
September 18, 2023 - I have an array of objects in JavaScript, and I want to sort them based on a specific property of the objects. For example, I have an array of books, and each book object has properties like 'title', 'author', and 'publicationYear'. How can I sort this array of book objects alphabetically by ...
Discussions

Sorting Arrays in JavaScript: toSorted() and sort()
Array.toSorted() method creates a new array with the elements sorted, leaving the original array unchanged. This method is beneficial when you want to keep the original array intact or sort different copies of the same array in various ways. Array.sort() method sorts the elements of an array in place and modifies the original array. This can lead to unintended side effects in a shared array context, as other parts of the program expecting the original order will encounter the newly sorted order. More on reddit.com
🌐 r/learnjavascript
22
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December 26, 2023
javascript - How can I sort an array of integers? - Stack Overflow
Mozilla Array.prototype.sort() recommends this compare function for arrays that don't contain Infinity or NaN. (Because Infinity - Infinity is NaN, not 0). Also examples of sorting objects by key. ... Nice. But is there really no out-of-the-box way to get a numerical sort from javascript? More on stackoverflow.com
🌐 stackoverflow.com
array.sort() Does Not Simply Sort Numbers in JavaScript

Your Point 2 is valuable. Most sorting tutorials I see jump immediately to .sort((a, b) => a - b) for sorting numbers, without explaining how we get there.

You start with a description of what a return value of a positive number, negative number, or zero means, show an example of how we'd write out a longform sort function, and then lead to the shortcut, demonstrating that it will return a positive number, negative number, or zero.

More on reddit.com
🌐 r/learnjavascript
1
1
January 27, 2021
Why does JavaScript sort integers this way?
Because -0 == 0 so it doesn't swap them Edit: my bad I forgot we were dealing with JavaScript here. So, the sort function sorts alphabetically which is why the negative numbers are wrong. The reason why -0 and 0 can be in any order is because when you call toString on either of them, it returns "0" making them equivalent. Similarly, if you put a number like 10 in the array, it would come before 2 because alphabetical More on reddit.com
🌐 r/ProgrammerHumor
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February 12, 2021
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MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › sort
Array.prototype.sort() - JavaScript | MDN
The sort() method of Array instances sorts the elements of an array in place and returns the reference to the same array, now sorted. The default sort order is ascending, built upon converting the elements into strings, then comparing their sequences of UTF-16 code unit values.
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GeeksforGeeks
geeksforgeeks.org › javascript › javascript-array-sort-method
JavaScript Array sort() Method - GeeksforGeeks
The sort() method in JavaScript is used to arrange array elements in a specific order, usually alphabetically or in ascending order.
Published: January 16, 2026
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LogRocket
blog.logrocket.com › home › javascript’s sort()method: from basics to custom sorting
JavaScript's sort()method: From basics to custom sorting - LogRocket Blog
March 7, 2025 - The callback function will determine whether to sort the array in ascending or descending order. In the next section, we’ll get into how to use the callback function. To recap the previous section, the JavaScript sort() array method takes an optional compare function as a callback.
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CoreUI
coreui.io › blog › how-to-sort-an-array-of-objects-by-string-property-value-in-javascript
How to sort an array of objects by string property value in JavaScript · CoreUI
January 18, 2025 - Sorting an array of objects by string property value in JavaScript is straightforward with the sort method and a custom comparison function.
Find elsewhere
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Reddit
reddit.com › r/learnjavascript › sorting arrays in javascript: tosorted() and sort()
r/learnjavascript on Reddit: Sorting Arrays in JavaScript: toSorted() and sort()
December 26, 2023 - Generally speaking, if the system does not expect the original array to change, use toSorted to create a copy of the array to work with and leave the original intact. If the system can handle the array changing, or if changing the array is the whole point of the system, sort is (usually) better
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DEV Community
dev.to › elmarshall › sorting-an-array-of-number-strings-in-javascript-la7
Sorting an Array of Number Strings in JavaScript - DEV Community
May 4, 2020 - First, the basics of the JavaScript sort method. The language has a built in function sort() that can be applied to an array.
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YouTube
youtube.com › bro code
Learn JavaScript SORTING in 6 minutes! 🗃 - YouTube
// sort() = method used to sort elements of an array in place.// Sorts elements as strings in lexicographic order, not alphabetical//
Published: November 22, 2023
Views: 25K
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Medium
medium.com › @kamlesh90 › array-sorting-in-javascript-9b9a7aab906b
Array Sorting in JavaScript. In this tutorial we will cover sorting… | by Kamlesh Singh | Medium
April 28, 2025 - const names = ['James', 'Anna', ... 'Colin', 'Anna', 'Adam' ] In JavaScript, the .sort() method by default sorts elements as strings — even if they are numbers....
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MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › toSorted
Array.prototype.toSorted() - JavaScript | MDN
The toSorted() method of Array instances is the copying version of the sort() method. It returns a new array with the elements sorted in ascending order.
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Medium
noncodersuccess.medium.com › sorting-arrays-like-a-pro-advanced-techniques-in-javascript-e3590b75d591
Sorting Arrays Like a Pro: Advanced Techniques in JavaScript | by NonCoderSuccess | Medium
April 14, 2024 - In JavaScript, arrays are like containers that hold multiple pieces of information. Sometimes, we need to organize the items in these arrays, like putting numbers in order from smallest to largest, or sorting names alphabetically.
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Medium
medium.com › @nailsonisrael › 1-algorithms-how-javascripts-sort-works-and-its-time-complexity-11450797dd7b
#1 Algorithms: How JavaScript’s .sort() Works and Its Time Complexity | by Nailson Israel | Medium
February 26, 2025 - JavaScript’s .sort() method uses Timsort, a hybrid sorting algorithm that combines Merge Sort and Insertion Sort. Timsort’s average and worst-case time complexity is: O(n log n) in general. O(n) in best cases (if the array is already sorted).
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SitePoint
sitepoint.com › blog › javascript › sophisticated sorting in javascript
Sophisticated Sorting in JavaScript — SitePoint
November 7, 2024 - The JavaScript sort() function is a built-in method that sorts the elements of an array in place and returns the sorted array. By default, the sort() function sorts elements as strings, which may produce unexpected results when sorting numbers. However, you can pass a compare function to the ...
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DEV Community
dev.to › jenshaw › sorting-out-javascript-sort-4kbl
Sorting out Javascript Sort - DEV Community
July 4, 2019 - Until recently, I'd really underestimated how much Javascript's sort method can accomplish. It's a tool that can easily be taken for granted, especially in those circumstances when you can just call it on an array and, without any extra effort at all, watch it magically rearrange its elements in order as you expect it to.
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freeCodeCamp
freecodecamp.org › news › how-does-the-javascript-sort-function-work
JavaScript Sort() – How to Use the Sort Function in JS
May 16, 2023 - It is expected to return a negative ... omitted, the elements are sorted in ascending, ASCII character order. [11,2,22,1].sort((a, b) => a - b) Sorts an array in place....
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Philna
philna.sh › blog › 2019 › 08 › 26 › how-not-to-sort-an-array-in-javascript
How not to sort an array in JavaScript
August 26, 2019 - JavaScript has a sort method available on Array objects and running it will probably do what you expect.