Javascript reduce

Executes a Reducer Function for an array element to convert that array into a single value.

const items = [
  { name: 'Apple', price: 1 },
  { name: 'Orange', price: 2 },
  { name: 'Mango', price: 3 },
];
 
const totalPrice = items.reduce((accumulator ,item) => {
  return accumulator += item.price;
}, 0)

• First argument is the Reducer Function
• Second argument is first argument to reducer function
• Third argument is second element to reducer function
• …
• The list is sent as the last argument to the reducer function