console.log(buildName("Vadim"));

var sayMyName = buildName("Vadim");
sayMyName();

ƒ () {
   var welcome = greeting + " Welcome!";
   console.log(welcome);
}

function buildName(name) {
        var greetings = "Hello," + name + "!";
        var sayName = function()    {
                var welcome = greetings + "Welcome!";
                console.log(welcome);
        };

        return sayName;
};

var sayMyName = buildName("Vadim");
sayMyName();

function createGreeter(greeting) {
   return function greeter(name) {
       console.log(`${greeting}, ${name}!`);
   }
}

const morningGreeter = createGreeter("Good morning"); // morningGreeter here is a function, which, when called, will log "Good morning, NAME!".

morningGreeter("John"); // this will log "Good morning, John!"