mosijava

class Human {
  constructor (gender,nationality){
    this.gender = gender;
    this.nationality = nationality;
  }
  
  humanIntro (){
    var sex = this.gender == "female" ? "girl" : "boy";
    return `I'm a ${sex} from ${this.nationality}`;
  }

mosijava

var myFunctions= [];

function createMyFunction(i) {
    return function() { 
           console.log("My value: " + i); 
    };
}

for (var i = 0; i < 3; i++) {
    myFunctions[i] = createMyFunction(i);

mosijava

var myFunctions = [];
for (var i = 0; i < 3; i++) {      // let's create 3 functions
    myFunctions[i] = function() {  // and store them in myFunctions
        console.log("My value: " + i); // each should log its value.
    };
}
for (var j = 0; j < 3; j++) {
    myFunctions[j]();              // and now let's run each one to see
}

mosijava

function outerFunction(x) {
  var z = 3;
  return function (y) {
    x=x+1;//x++
    alert(x + y + z);
  }
}
var myVal = 2;
var innerFunction = outerFunction(myVal); // innerFunction is now a closures.
innerFunction(10); //will alert 16

mosijava

function outerFunction(x) {
  var z = 3;
  return function (y) {
    alert(x + y + z);
  }
}
var innerFunction = outerFunction(2); // innerFunction is now a closures.
innerFunction(10);

mosijava

function sayHelloToClosures(yourName) {
	var text = 'Hello Closures from' + yourName;
	var sayAlert = function() { alert(text); }
}