Simplifying Object.assign method in JavaScript

Read full article on the Infragistics blog "In JavaScript, Object's assign method copies source object's own enumerable properties to a target object, and returns that target object " There are two important keywords in the above sentence: Enumerable Own Before we go ahead and understand purpose of Object.assign, it is essential that we really understand these two words, enumerable properties and own properties. Let us see them one by one: A JavaScript object could have either enumerable or non-enumerable properties. However, by default when you create property on an object, it is enumerable. Enumerable means you can enumerate through those properties. Let us understand it through code. There are two properties in babycat object. By default both are enumerable, hence as the output of for..in loop, you will get both age and name printed. Now let us change default enumerable behavior of age property using Object.defineProperty method. We have changed enumerable of age property to false, so as output, you will get only color printed.

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JavaScript,Clone,cloning,copy,Javascript,object,Object.assign