Sign up for my newsletter if you want more articles to help you become a better frontend developer. This article was originally posted at my blog. Did this article help you in any way? If I did, I hope you consider sharing it you might just help someone who felt the same way you did before reading the article. Enrollment for Learn JavaScript opens in July 2018 (very soon!). If this lesson has helped you, might enjoy Learn JavaScript, where you’ll learn how to build anything you want from scratch. Then, you loop through the results like a normal array. The better way to loop through objects is first convert it into an array with one of these three methods. When you loop through an object with the for.in loop, you need to check if the property belongs to the object. The problem with a for.in loop is that it iterates through properties in the Prototype chain. The only way to do so before ES6 was with a for.in loop. Some objects may contain properties that may be inherited from their prototypes. This loop is used to iterate over all non-Symbol iterable properties of an object. Once in a while, you may need to loop through objects in JavaScript. There are two methods to iterate over an object which are discussed below: Method 1: Using forin loop: The properties of the object can be iterated over using a for.in loop.
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