function standartFunctionName(withOneArgument) {

if( typeof (withOneArgument) === "string") {

return "That returns the argument concatenated with a string " + withOneArgument;

}

}

// call the function

console.log(standartFunctionName("Rado"));

var functionFromVariable = function(arg) {

return arg * arg;

};

// call the function

functionFromVariable(10);

var arrayWithFunctions = [

function() {

console.log("Im an anonymous function that is placed as the first element of the array")

},

function() {

console.log("Bla blat the same")

}];

// here it's interesting

var func = arrayWithFunctions[0]; // just returns the function.

console.log(func);

// to actually call it :

arrayWithFunctions[0]();

var counter = function(value) {

return function() {

value++;

console.log(value);

}

}

var f = counter(2);

// now f is a function

console.log( typeof (f));

f();

// 3

f();

// 4

f();

// 5

console.log("----------------------");

var ff = counter(3);

ff();

ff();

// now lets have an anonymous function

(function(arg) {

var megaCoolVar = 5;

console.log("We are legion.", arg);

})("Rado");

// but how to execute it ?

function highorder(num/*number*/, func/*function*/) {

return func(num);

}

console.log(highorder(5 , function(arg) {

return arg * arg;

}));

// and lets mix arrays and functions.

var upp = ["rado", "vlado"].map(function(item) {

return item.toUpperCase();

});

console.log(typeof(upp));

console.log(upp);

var megaCoolVar = 5;