CurrringExample.js

(function(){
   let food = [
  {type: 'beverage', name: 'tea'},
  {type: 'veg', name: 'aloo paratha'},
  {type: 'non-veg', name: 'biryani'},
  {type: 'non-veg', name: 'butter chicken'}
];

const filterFunction = (string) => (item) => item.type === string;

let nonVegDishes = food.filter(filterFunction('non-veg'));
  
console.log(nonVegDishes);
})();

//copy paste in chrome sources

CurryingInfiniteInput.js

(function(){

function curry(a) {
  return function multiply(n) {
    if (n) {
      a *= n;
      return multiply;
    } else {
      return a;
    }
  };
}

console.log(curry(2)(2)(2)(2)(2)(2)());

})();