Consider the following object – The result is not always what you expect: 5 + null // returns 5 because null is converted to 0 Granted the objects are normally all the same structure, but we use arrays of objects all the time, quite painlessly. We will make use of split, Array.from, spread, Object.assign and for loop. The String in JavaScript can be converted to Array in 5 different ways. Today, let us look at how to do the opposite: convert a string back to an array.. String.split() Method The String.split() method converts a string into an array of substrings by using a separator and returns a new array. So by converting the object into an array, you have access to all of that. There are scenarios where we need to convert a javascript object into an array and we can easily achieve that using Object class methods. In Application development, We used to get the use cases where data retrieved from REST API/Database in the form of Array/Object, so need to convert this to Object/Array. Wow, these comments make my head hurt. Let’s discuss this in detail. However, one key difference between Arrays and Array-like Objects is that Array-like objects inherit from Object.prototype instead of Array.prototype. Using the Object.keys() method. Converting an array-like object into an array using the spread operator (which was introduced in ES6) only works on objects that are iterable. How is an array of objects "a pain to use in javascript"? Every … Convert an Array to an Object. Typescript Object Array. In this tutorial, we are going to learn about three different ways to convert an object into an array in JavaScript. The task is to convert an Object {} to an Array [] of key-value pairs using JavaScript. Example: This means that Array-like Objects can't access common Array prototype methods like forEach() , push() , map() , filter() , and slice() : Finally, with ES2017, it's official now! Woohoo – iGanja Oct 31 '17 at 17:07 We have 3 variations to convert an Object to an Array Array has an array of methods (sorry, bad pun ). # Converting Object to an Array. Introduction: Objects, in JavaScript, is it’s most important data-type and forms the building blocks for modern JavaScript. Previously, converting from an object to an array was the only direction with built-in methods for the Object class. In an earlier article, we looked at how to convert an array to string in vanilla JavaScript. Let’s discuss all the methods in brief. Suppose, our javascript object is – var jsObj = { key1 : 'value 1', key2 : 'value 2', }; Now, if you want to for loop through this object, you will need to first convert Typescript is superset of javascript with compile type checking. These objects are quite different from JavaScript’s primitive data-types(Number, String, Boolean, null, undefined and symbol). 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