Angular sorting array of objects Aug 16, 2018 · I try to sort the array object by date for my Angular 6 application. The built-in Angular "orderBy" filter simply reads the sortArray list and orders the columns by the order of column names stored there The web development framework for building modern apps. I want to return an array that will sort like this: ONGOING --> UPCOMING --> PAST. Jan 13, 2017 · I am using Angular2, I would like to sort array of objects based on properties in the object. Using localeCompare () Method – Most Used The JavaScript localeCompare () method returns a number indicating whether this string comes before, or after, or is the same as the given string in sort order Here is a simple function you can use to sort array of objects through their properties; it doesn't matter if the property is a type of string or integer, it will work. Also, bear in mind that you are storing numeric values in a string so bear this in mind and research "natural sorting". name < b. Here are different ways to sort an array of Objects By String Property Value. See image with a design of the objects: Object: Code: export class Machine{ Id: string; MachineG Jan 23, 2013 · AngularJS' orderBy filter does just support arrays - no objects. In this blog post, I describe how to use RxJS operators to covert array to Observable, use function to remove articles temporarily, compare texts to determine sort order and finally map the results to Observable variable. So you have to write an own small filter, which does the sorting for you. Apr 22, 2021 · Let's see how you can completely configure the sorting of an Array of objects. At the end of the _maj function, I try to sort the activiteList array by date, which I stored as timestamps. sort(); will sort the array in ascending order, to sort in descending order you need to pass a comparator function. How to sort in ascending and descending order for array of objects. Using the string split method you can split the date value by - resulting in an array ["29","03","2018"] Then reverse the array using array reverse Mar 11, 2016 · I'm trying to create a custom Pipe in Angular 2 that will sort an array of objects. By default, strings are sorted alphabetically, and numbers are sorted numerically. Oct 19, 2025 · This blog will explore how to sort an array of objects by a property in an Angular TypeScript environment, covering fundamental concepts, usage methods, common practices, and best - practices. We can achieve this through multiple paths: Use the built-in Array object I am trying to sort an array of object alphabetically , to make things simple I am using the below example. prototype. It's essential to use the slice method to create a copy of the array before sorting to avoid modifying the original array. Dec 9, 2020 · For sorting any type of array, the array. In my typscript I do splice to insert and remove items from array object. Issue I am attempting to sort an array of objects by a name property that exists on each object. The ngFor directive is an essential tool in Angular for iterating over arrays and displaying their elements in the UI. Apr 19, 2022 · The collection (array or array-like object) to sort. Has somebody an idea how to achieve this? The initial situation is something Oct 23, 2021 · That all works great. With each successive column click, the code stores the last column clicked and adds it to a growing list of clicked column string names, placing them in an array called sortArray. Jun 11, 2013 · I wrote this handy piece to sort by multiple columns / properties of an object. A compare function is passed as an optional argument to the sort method. display=this. How can I achieve this in TypeScript in angular 2? Nov 20, 2018 · But I'm unable to sort based on the string, EX:- I need to sort the list with ' for ' (for needs to come on the top of the list and remaining will be as it is). After I filter that array based on a value, I NOW want to sort the returned array by another one of it's values called category. sortBy (array, 'property') to sort the array by the specified property, such as age or name. Mostly it was with sorting numbers/strings/dates. Here, we will sort the object based on the property value of the object rather than the key. Array cars Jul 16, 2020 · How to iterate array of objects using keyvalue. I need to paginate those objects because of limitation of space. ,The expression can be a single predicate, or a list of predicates each serving as a tie-breaker for the preceding one. For the first item in the list: it is either Camel or Absolute For the second item in the list: it has to be Dream, For the Oct 4, 2016 · I have a candidate object with properties candidateid:number; name:string; I wish to sort an array of such objects based on the name property. ,Note: If the predicate is missing or empty then it defaults to '+'. The default sort order is ascending, built upon converting the elements into strings, then comparing their sequences of UTF-16 code unit values. This tutorial shows you how to sort a JavaScript array of objects by a property value, independently of the property’s type. How do I sort the filtered array (array1) based on the order of the array I am using to filter against (array2)? How to sort an array of objects in angular? Underscore. sort () method to sort an array of objects by a property value. Here is my orderObjectBy filter for AngularJS: To create a more elegant solution for sorting the array of objects based on a specific order, you can utilize a custom sorting function that maps the names to their desired positions. Mar 9, 2023 · The KeyValue Pipe converts given Object or Map into an array of key-value pairs. Sorting array of objects by property Asked 9 years, 7 months ago Modified 7 years, 7 months ago Viewed 53k times Jul 15, 2009 · The sort method can be modified to sort anything like an array of numbers, strings and even objects using a compare function. Aug 5, 2025 · Using the Array. Jun 11, 2024 · Sorting an array of objects in TypeScript involves arranging objects based on specified properties. Consider an array of JSON objects exported from users. The data has string format. Here we will learn what is angularjs orderby filter, use of orderby filter in angularjs and how to use orderby filter in angularjs to sort elements in ascending or descending order with example. Sep 3, 2020 · It's not clear why you think an array of length 1 is sufficient to test a sorting function (!) But your code contains a logical error, as presumably you always want to return -1 if a. My pipe looks like this: @P. Let's say we have the Tagged with javascript, webdev, algorithms, beginners. sortBy method. Add underscorejs to your project and import it into your component. Create a new Angular project in workspace Jan 24, 2023 · In TypeScript, you can use the Array. Or change the format of data you handle with (if you have influence on that). This solution uses a custom sorting function with a predefined orderMap to sort the array of objects. Mar 6, 2023 · To create a pipe that can sort arrays before we display the items, we use the JavaScript array sort method. After sorting, the array Mar 5, 2018 · this. Mar 17, 2018 · I am attempting to sort an array of objects by a name property that exists on each object. sort () This method is a built-in JavaScript function that sorts the elements of an array in place and returns the sorted array. Apr 28, 2025 · Here, we need to transform the object's properties into an array and sort that array based on the desired key. When dealing with null properties, ensure consistency by placing them either at the start or end of the sorted array to maintain predictability in sorting outcomes. Upvoting indicates when questions and answers are useful. Nov 4, 2019 · TL;DR- ⏱️ Sort arrays of objects recursively by multiple keys. Apr 28, 2025 · Learn how to sort arrays of objects in TypeScript using different techniques - by string, number, date, and multiple properties, with real-world examples. One of the key features of Angular is its ability to efficiently work with arrays and perform various operations on them. It handles the special case for 'Camel' and 'Absolute' with a tie-breaker. Sep 8, 2022 · Sorting data is an essential task in applications. I garnered a bit of help from this post. Mar 17, 2024 · Learn the essentials of working with Angular arrays, from creating and modifying to transforming and sharing data between components. sort makes a copy of the array it called, sorts the copied array, and then returns the sorted copied array. The sort () method takes a comparator function as its argument, which should return a negative, zero, or positive value depending on the order in which the elements should be sorted. We can use this with the ngFor to loop through the object keys. AngularJS OrderBy Filter In angularj, orderby filter is used to sort array elements (like javascript objects, strings, list objects) either in ascending or descending order based on our requirement Jul 11, 2025 · Sorting arrays of objects based on a string property can be helpful for handling user data or dynamic lists. In this article, we will explore the ngFor directive and learn how to To simplify the use case of having a table that can sort, paginate, and filter an array of data, the Angular Material library comes with a MatTableDataSource that has already implemented the logic of determining what rows should be rendered according to the current table state. May 14, 2019 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Jul 23, 2025 · With the help of built-in Pipes, we can iterate through objects, maps, and arrays, in the common module of the Angular package. If the first arg (n1) is greater, return a positive number, if both are equal return 0 otherwise return a negative number. Default Sorting of *ngfor for array of objects. sort method takes a function argument, that can be called to compare any two members of the array. For example, a list of data in the frontend contains ways to sort the data based on a given column. Discover how to sort an array of objects by date and an external criteria in Angular. This method returns a new sorted array. So, I do not want to use Pipe in the c Jan 14, 2018 · I am working on angular2 project which needs to sort array of objects, I am using ng2-order-pipe to sort array of objects here an example: <p *ngFor="let customer of customers | orderBy: 'Name May 3, 2018 · When creating a new Date it assumes the order of month then day, hence your dates such as 29-03-2018 will be seen as 03-29-2018 and cause invalid Date. Apr 28, 2025 · In this article, we will learn how to Sort an array of objects by string property value in Angular. You provide a comparison function that defines the sort order based on the values of the objects being sorted. Example: In this example we sorts an array of objects by the age property using Lodash's _. Jul 31, 2023 · When you build an app that involves interacting with data, it will mean your users need ways to perform actions like sorting, grouping, filtering and aggregating. Then call the sort method and pass the array of objects and the key to sort on. May 19, 2023 · Angular is a popular JavaScript framework used for building dynamic web applications. However, I can't seem to get this working. Jul 16, 2019 · I'm creating an option selector, were you're able to select options for a certain machine. Feb 9, 2019 · I want to sort a list of things by an observable field, but can't wrap my head around observables to get this working. How to sort array of object to descending order in Angular [duplicate] Asked 5 years, 7 months ago Modified 5 years, 7 months ago Viewed 6k times Jan 7, 2025 · Angular: Applying multiple filters simultaneously to an array of objects using Pipes Filtering and Sorting is a basic requirement of any web application. The function always has two arguments (the same type what objects in your array) and it shows how to sort your array. The sort method takes a function that compares the two items being iterated through as the arguments. I wonder if there is an existing module to perform sort in Angular or we have to build sort function May 1, 2024 · Example 2: This example defines an interface Student, creates an array of Student objects, and then demonstrates how to sort them by name and ID in both ascending and descending orders using the sort method. Jul 20, 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. You can simply specify the date in reverse as 2018-03-29 that way it will see it correctly. ,The collection can be an Array or array-like object (e. g. What's reputation and how do I get it? Instead, you can save this post to reference later. The KeyValuePipe can help to transform the object into an array of key-value pairs. By default, all the items are sorted in ascending order, if the ordering sequence is not specified. Definition and Usage The orderBy filter allows us to sort an array. Apr 28, 2025 · In this tutorial, I will show you multiple ways to sort arrays of objects in TypeScript, from basic sorting to more advanced techniques with some real-world examples and best practices. Aug 1, 2022 · An orderBy Filter in AngularJS is used to sort the given array to the specific order. Being a front-end developer, filtering based … Feb 11, 2023 · Angular:Different Sorting Scenarios-single and multiple parameter reusable sort I have used sorting extensively in my work projects. Keep it typed, and control Tagged with typescript, angular, redux, javascript. Learn easy-to-understand steps to implement this in your application. An array containing objects is sortable by native orderBy filter. Then, utilize _. Nov 18, 2023 · I need to sort an array of object by property with the following order. Example: This is another example that illustrates the basic rendering of an Object in a Sorted order based on a Key in Angular. Also, you might want to sort the data in ascending or descending order. 1. -- You can create a function to sort the objects in the homes array by the price property in either ascending or descending order using JavaScript's sort () method while passing an optional order parameter. When using the sort () method with the code below I am getting the following error: Aug 21, 2020 · If you would like to check the implementation of how to filter and sort an array of nested objects only, you can check the below story: You'll need to complete a few actions and gain 15 reputation points before being able to upvote. When using the sort() method with the code below I am getting the following error: ERROR ReferenceError: b Feb 4, 2017 · I have a pipe that filters an array based on the objects contained in another array. Aug 5, 2025 · In JavaScript, sorting an array of objects based on the key consists of iterating over the array, applying the sort () method or other approaches, and arranging the array in the desired sorting order. The default order of sorting the string is in alphabetical order whereas the numbers are numerically sorted. ts. NodeList, jQuery object, TypedArray, String, etc). Jul 23, 2025 · Using external libraries like Lodash To sort an array of objects using Lodash, first ensure Lodash is imported. If you are … The collection can be an Array or array-like object (e. I tried all the sorting functions I found, the console alert before and after sorting remains the same Jul 20, 2021 · You could store the values in an array and sort it. In my example, size of array does not matter. Dec 12, 2016 · Will you often need to sort objects by the "name" key on other arrays or other components in the future? Will this data be changing often enough and in ways that make it hard to simply sort in the component? Will you need the array sorted on any change to the view or inputs? Dec 31, 2023 · # How to sort an array of objects with a timestamp in Angular In Angular, any object can be compared using the relational operator (===) In the same way, we can use the === operator to compare objects. The keyValue accepts the one argument compareFn, which we can use to set the custom sort to the pipe. first and last element using *ngFor. In this tutorial, let us learn how to make use of KeyValue pipe with example. Dec 3, 2022 · Introduction This is day 17 of Wes Bos’s JavaScript 30 challenge and I am going to sort data without articles RxJS and Angular. category can only be one of three String values: ONGOING, UPCOMING, and PAST. addition. js and specifically the sortBy method. Nov 23, 2024 · Discover effective methods to sort arrays by multiple fields in Angular while ensuring your data is displayed clearly. Aug 13, 2020 · The implementation I want to share is how you could filter an array of non-nested objects using Pipes in Angular. Mar 24, 2024 · Sorting arrays of objects in JavaScript is a fundamental task for developers working with complex Tagged with javascript, react, angular, frontend. Then you can display as you are now, with the sorted data. When we build apps with data, providing options like sorting, grouping, filtering and aggregating data for our customers is required to interact with it. Explore HTML structure, JavaScript basics, and TypeScript features for efficient array management. The commented results in the examples looks like they return arrays of arrays but that's just showing the order and not the actual results which are an array of objects. name, rather than fall back to comparing the joinDate properties. pqjtxnw kudc skrr tziii ozcric bvqeg yfwq pllvv xkkb dhahg ofchyl hvkvvfr vkuox ocpq wzuvf