How is jQuery's $ a function and an object?

Question

I mean object as in {} [object Object]. How does it do $(selector) and $.fn.init at the same time?

Can you give me a simple ex

Answer 1

Javascript is an object oriented language, so functions ARE objects, just fancy ones that you can call.

foo = function() { console.log("foo") }
foo.bar = function() { console.log("bar") }
foo() //=> prints "foo"
foo.bar() //=> prints "bar"