[removed] How is “function onload() {}” different from “onload = function() {}”?

Question

In the answers to this question, we read that function f() {} defines the name locally, while [var] f = function() {} defines it globally. That makes p

Answer 1

This generates an error:

foo();
var foo = function(){};

This doesn't:

foo();
function foo(){}

The second syntax is therefore nicer when you're using functions to modularize and organize your code, whereas the first syntax is nicer for the functions-as-data paradigm.