JavaScript Function Terminology

JavaScript Function Terminology.js

/* Function Terminology */

// - (unamed) function expression
// - anonymous function
// - a.k.a. function literal
var add = function ( a, b ) {
	return a + b;
};

// - (unamed) function expression
// - anonymous function
callMe( function () {
	// do something
} );

// - (named) function expression
// - a.k.a. function literal
var add = function add ( a, b ) {
	return a + b; 
};

// - (named) function expression
// - named function expression 
callMe( function maybe () {
	// do something
} );

// - function declaration
// can only appear in "program code" meaning inside other functions or in global space 
function add ( a, b ) {
	return a + b;
}