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function sayHelloTo(name) {
    const message = 'Hello ' + name;

    return function() {
        console.log(message);
    };
}

const helloToElena = sayHelloTo('Elena');
const helloToIgor = sayHelloTo('Igor');
console.log(helloToElena);
helloToElena();
helloToIgor();

function createFrameworkManager() {
    const fw = ['Angular', 'React'];

    return {
        print: function() {
            console.log(fw.join(' '));
        },
        add: function(framework) {
            fw.push(framework);
        },
    };
}

const manager = createFrameworkManager();
// console.log(manager)
manager.print();
manager.add('VueJS');

manager.print();

// setTimeout

const fib = [1, 2, 3, 5, 8, 13];

for (var i = 0; i < fib.length; i++) {
    (function(j) {
        setTimeout(function() {
            console.log(`fib[${j}] = ${fib[j]}`);
        }, 1500);
    })(i);
}