The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

For example, myVar = 10 ... In some cases, changing the object in the variable affects the original JavaScript object. Variables that contain user-defined objects represent the actual object.

(For more about JavaScript Object Notation, see InfoWorld’s primer, What is JSON?.) The JSON object is useful all the time. Here’s an example that might be familiar: let stringJson = '{"nums ...

and transforms it to a new output JavaScript object, using rules defined in a template object. For example, the input object might look like this: var inputObj = { foo: { bar1: 'hello', bar2: 'world' ...

When a JavaScript object has a method called on it ... you have at most the number of objects that you are directly working with: In this example, there are two objects that we defined and used: ...