programação-imperativa

What characterizes imperative and functional programming and what are the differences between them in relation to each other? I can't understand these two paradigms. Note: If you can cite examples of them, preferably in JavaScript.

Yesterday I was reading an answer about the differences between the paradigms functional and imperative, and I came across ... incorporating features of the functional paradigm, to try to understand the idea behind the functional model a little better.

Well, that's it, usually object-oriented programs have several different calls to Small Methods for passing messages, encapsu ... atever the step, so they can go pretty low level, like design decisions at compiler and architecture level, preferably ARMv7.