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JavaScript Array toSorted()

Examples

// Create an Array
const fruits = ["Banana", "Orange", "Apple", "Mango"];

// Sort the Array
const fruit2 = fruits.toSorted();
Try it Yourself »

More Examples Blow !


Description

The toSorted() method sorts the elements of an array in alphabetical order.

The toSorted() method returns a new array.

The toSorted() method does not overwrite the original array.

The toSorted() method is the copying version of the sort() method.



Sort Compare Function

Sorting alphabetically works well for strings ("Apple" comes before "Banana").

But, sorting numbers can produce incorrect results.

"25" is bigger than "100", because "2" is bigger than "1".

You can fix this by providing a "compare function" (See examples below).


Syntax

array.sort(compareFunction)

Parameters

Parameter Description
compareFunction Optional.
A function that defines a sort order. The function should return a negative, zero, or positive value, depending on the arguments:
  • function(a, b){return a-b}

When sort() compares two values, it sends the values to the compare function, and sorts the values according to the returned (negative, zero, positive) value.

Example:

The sort function will sort 40 as a value lower than 100.

When comparing 40 and 100, sort() calls the function(40,100).

The function calculates 40-100, and returns -60 (a negative value).

Return Value

TypeDescription
ArrayA new array with the items sorted.


More Examples


Sort Descending

Sort and then reverse the order:

// Create an Array
const fruits = ["Banana", "Orange", "Apple", "Mango"];

// Sort the Array
const fruits2 = fruits.toSorted();

// Reverse the Array
fruits2.reverse();
Try it Yourself »

Numeric Sorts


Using a Sort Function

Sort numbers in ascending order:

// Create an Array
const points = [40, 100, 1, 5, 25, 10];

// Sort the Array
let points2 = points.toSorted(function(a, b){return a-b});
Try it Yourself »

Sort numbers in descending order:

// Create an Array
const points = [40, 100, 1, 5, 25, 10];

// Sort the Array
let points2 = points.toSorted(function(a, b){return b-a});
Try it Yourself »

Find the lowest value:

// Create an Array
const points = [40, 100, 1, 5, 25, 10];

// Sort the numbers in ascending order
let points2 = points.toSorted(function(a, b){return a-b});

let lowest = points2[0];
Try it Yourself »

Find the highest value:

// Create an Array
const points = [40, 100, 1, 5, 25, 10];

// Sort the numbers in descending order:
let points2 = points.toSorted(function(a, b){return b-a});

let highest = points2[0];
Try it Yourself »

Find the highest value:

// Create an Array
const points = [40, 100, 1, 5, 25, 10];

// Sort the numbers in ascending order:
let points2 = points.toSorted(function(a, b){return a-b});

let highest = points2[points.length-1];
Try it Yourself »

Browser Support

toSorted() is an ES2023 feature.

It is supported in all modern browsers since July 2023:

Chrome 110 Edge 110 Firefox 115 Safari 16.4 Opera 96
Feb 2023 Feb 2023 Jul 2023 Mar 2023 May 2023


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