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).

Apr 3, 2025 · 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 …

While it is a bit of an overkill for just sorting a single array, this prototype function allows to sort Javascript arrays by any key, in ascending or descending order, including nested keys, using dot syntax.

Sep 17, 2016 · // First create the array of keys/values so that we can sort it: var sort_array = []; for (var key in list) { sort_array.push({key:key,value:list[key]}); } // Now sort it: sort_array.sort(function(x,y){return x.value - y.value}); // Now process that object with it: for (var i=0;i<sort_array.length;i++) { var item = list[sort_array[i].key ...

By combining sort() and reverse(), you can sort an array in descending order: ES2023 added the toSorted() method as a safe way to sort an array without altering the original array.

May 16, 2023 · The sort() function allows you to sort an array object by either the default sorting order, or by a custom sorting function. By default, it sorts the elements in the array in ascending order based on their string Unicode values.

The JavaScript Array object provides the sort() method that allows you to sort array items in place and returns the sorted array. Here’s the syntax of the sort() method: sort(comparator)

Jun 23, 2016 · Map is a data structure, which is not supposed to be able to be sorted. It stores key-value pairs, and there is not much sense in sorting a hashtable. You can convert it to an array, and sort this array, if you want. use plain Objects instead of Maps to store sorted alphabetically-keyed key:value pairs.

This tutorial shows you how to use the JavaScript array sort method to sort arrays of numbers, strings, and objects.

Sep 11, 2024 · The most straightforward way to sort an object by value is to convert it into an array of key -value pairs using Object.entries(), sort the array, and then convert it back into...