Javascript Interview Question:counting number of matching objects within an array

Problem statement:

For array below containing fruits and their count for each

iteration of baskets for multiple baskets

const fruits = [

{ Apple: 4, Orange: 7, Grape: 3 },

{ Guava: 6, Lemon: 4, Banana: 8 },

{ Orange: 5, Pineapple: 7, Apple: 7 },

];

count total numbers of fruits by each type.

Code:

const fruits = [

{ Apple: 4, Orange: 7, Grape: 3 },

{ Guava: 6, Lemon: 4, Banana: 8 },

{ Orange: 5, Pineapple: 7, Apple: 7 },

];

let fruitCount = {};

fruits.forEach((item) => {

for (let fruit in item) {

if (fruitCount[fruit]) {

fruitCount[fruit] = fruitCount[fruit] + item[fruit];

} else {

fruitCount[fruit] = item[fruit];

}

}

});

console.log(fruitCount);

Output:

{

Apple: 11,

Orange: 12,

Grape: 3,

Guava: 6,

Lemon: 4,

Banana: 8,

Pineapple: 7

}