Objects

Static object methods

Arrays and strings are not the only data structures that have gained new functionality. Objects have received several new methods and improvements as well. Let’s briefly look at the most important ones:

Object.assign(target, source[ source[...,],])

The Object.assign() method is the most useful addition because it enables merging one or more objects into an existing object and returns the result as an object. But beware: the existing object is mutated. Hence, you should use this method sparingly. Following is an example to illustrate the point: