anonymous function parameters javascript

1setTimeout(function () {
2    console.log('Execute later after 1 second')
3}, 1000);Code language: JavaScript (javascript)

1function caller(otherFunction) {
2     otherFunction(2);
3 }
4caller(function(x) {
5    console.log(x); 
6});

1// Regular function, called explicitly by name .aka “named function”
2function multiply(a, b){
3	var result = a * b; 
4	console.log(result);
5} 
6multiply(5, 3);
7
8// Anonymous function stored in variable. 
9// Invoked by calling the variable as a function
10// Anonymous functions don't have a name, 
11// so the parentheses appears right after “function” keyword.
12var divided = function() {
13	var result = 15 / 3;
14	console.log("15 divided by 4 is "  + result);
15}
16divided();
17
18// Immediately Invoked Function Expression.
19// Immediately invoked function expressions are anonymous functions 
20// with another parentheses pair at the end to trigger them, 
21// all wrapped inside parentheses.
22// Runs as soon as the browser finds it: 
23(function() {
24	var result = 20 / 10;
25	console.log("20 divided by 10 is " + result);
26}())
27