![]() In fact, you might say that they are polar opposites. Now, while these two methods may seem to provide the same functionality, actually, they do not. In his article, I will demonstrate the difference between the for-in and for-of JavaScript operators. But when you need to iterate over the properties of an object, things get a little sticky. When Iterating over an array, things are a bit easier because you can leverage the array’s “length” property to set up your iteration. Iterating over an object or array is a pretty routine task with JavaScript, in fact, it’s hard to imagine a day when you don’t’ need to perform this action. Whereas the for-of operator provides access to the values of those keys. The difference between them is: for-in provides access to the object keys , ![]() ![]() For-in and for-of both provide a way to iterate over an object or array. ![]()
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