Given an JavaScript object list of books that each have a pages attribute to define the number of pages in the book, find the sum of all the pages in the object list of books using recursion.Keep in mind:The input list object may be completely empty (ex. {})The next attribute may not be definedfunction getPageCount(list) {// your code here// returns an integer}Example test case:Input: {"book":"A","pages":1,"next":{"book":"B","pages":2,"next":{"book":"C","pages":3,"next": null}}}Output: 6Reasoning: 1 + 2 + 3 pages

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Answered: Given an JavaScript object list of…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Given an JavaScript object list of books that each have a pages attribute to define the number of pages in the book, find the sum of all the pages in the object list of books using recursion.

Keep in mind:

The input list object may be completely empty (ex. {})
The next attribute may not be defined

function getPageCount(list) {
// your code here
// returns an integer
}

Example test case:
Input:
{
"book":"A",
"pages":1,
"next":{
"book":"B",
"pages":2,
"next":{
"book":"C",
"pages":3,
"next": null
}
}
}

Output: 6
Reasoning: 1 + 2 + 3 pages

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