bpinedah

function getResult(a, b, c) {
  return (a + b) * c
}

bpinedah

const getResult = function(a, b) {
  return function(c) {
    return (a + b) * c;
  }
}

getResult(2, 3)(2);

bpinedah

const getResult = (a, b) => c => (a + b) * c;

getResult(2, 3)(2); //10

bpinedah

const getResult = function(a, b) {
  return function(c) {
    return (a + b) * c;
  }
}

const sum = getResult(2, 3);

sum(2); // 10
sum(5); // 25

bpinedah

const getResult = function(a, b) {
  return function(c) {
    return (a + b) * c;
  }
}

getResult(2, 3)(2); //10

bpinedah

function getResult(a, b, c) {
  return (a + b) * c;
}
getResult(2, 3, 2); // 10

bpinedah

// Data example
const items = [{name: 'Bruce' }, {name: 'Fabs'}, {name: 'Bruce'}, {name: 'Gaby'}];

/**
 * @description Filter by one where condition
 * @param w Where condition function
 * @returns {Function} filter function
 */
const filter = w => a => a.filter(w);

bpinedah

function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}
function Tesla() {
  this.autodrive = true;
}
Car.prototype = new Tesla();

bpinedah

function go(n) {
  // n here is defined!
  console.log(n); // Object {a: [1,2,3]}

  for (let n of n.a) { // ReferenceError
    console.log(n);
  }
}

go({a: [1, 2, 3]});

bpinedah

typeof undeclaredVariable;

typeof newLetVariable; // ReferenceError
typeof newConstVariable; // ReferenceError
typeof newClass; // ReferenceError

let newLetVariable;
const newConstVariable = 'hello';
class newClass{};