In this example, we take an array of objects holding rock bands and the year they were formed and then use bands.filter() to provide a function that will give us a new array holding only the bands ...

Arrays are wonderful and a very particular type in JavaScript. There are many useful built-in properties and methods that will help you resolve any task which involves this kind of type. Today, we ...

These are all JavaScript Objects — Arrays and other things like Date are Objects... even Strings are Objects, which is why we can do things like "hello".slice(1). Functions... are also Objects in ...

The object can then be reconstituted by calling normalizeProperties(map) resulting in an object equivalent to the original person object. We can also get and set individual properties by name. The ...