simple javascript closure code

closure.js

/// closure in javascript

// using parentheses
{
    const value = 0
}

//console.log(value);


// closure function

// method 1
(()=>{
    console.log('hello');
})();

// method 2

function makeFunc() {
    var name = 'Mozilla';
    function displayName() {
      alert(name);
    }
    return displayName;
}
  
var myFunc = makeFunc();
myFunc();