If I have this JS object literal: How can I create a new, sorted object literal: Answer Re: How to sort a JS Object? Answer: You can’t. So instead, you need a more sophisticated data structure. You have many options: You can use a separate array to hold the order of the object’s keys. (This is wha…
Tag: sorting
Javascript array sort and unique
I have a JavaScript array like this: I need the array elements to be unique and sorted: Even though the members of array look like integers, they’re not integers, since I have already converted each to be string: Is there any way to do all of these tasks in JavaScript? Answer This is actually very simpl…
Javascript: Sort array and return an array of indices that indicates the position of the sorted elements with respect to the original elements
Suppose I have a Javascript array, like so: I want to sort the array. Obviously, I can just do this to sort the array: But what I really want is an array of indices that indicates the position of the sorted elements with respect to the original elements. I’m not quite sure how to phrase this, so maybe t…
Sorting a JavaScript object by property name
I’ve been looking for a while and want a way to sort a Javascript object like this: and sort is alphabetically by name to get: I can’t find any code that will do this. Can anyone give me some help? Answer UPDATE from the comments: This answer is outdated. In ES6 objects keys are now ordered. See t…
Is it correct to use JavaScript Array.sort() method for shuffling?
I was helping somebody out with his JavaScript code and my eyes were caught by a section that looked like that: My first though was: hey, this can’t possibly work! But then I did some experimenting and found that it indeed at least seems to provide nicely randomized results. Then I did some web search a…
Javascript Array.sort implementation?
Which algorithm does the JavaScript Array#sort() function use? I understand that it can take all manner of arguments and functions to perform different kinds of sorts, I’m simply interested in which algorithm the vanilla sort uses. Answer I’ve just had a look at the WebKit (Chrome, Safari …) sourc…