FP in JS 5

fp_js_5.js

// A list of fruit, and their price
const fruit = [
  {name: 'banana', price: 5},
  {name: 'apple', price: 3},
  {name: 'pear', price: 7}
];

// We use reduce() to get the "total price of all fruit"
const sumPriceFruit = fruit
  .reduce((previous, current) => previous + current.price, 0);

// Log to see the result
console.log(sumPriceFruit); // 15