A function scope is in a way also a block scope, so let and constwould behave the same way they did in our previous examples. However, function scopes also encapsulate variables declared with var .

That returned function, which we assign to the variable log, can still access the context argument because it was in scope where the function was defined. Fun fact: Referencing context is made ...

Get tips for instantiating JavaScript's prototype-based objects two ways: via constructor functions or object initialization. Topics Spotlight: New Thinking about Cloud Computing ...