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/**
Declaring Person class, its constructor and methods.
This class will be inherited by GetPerson class later to access its properties and methods.
*/

class Person {
  
  constructor(person) {
    this.name     = person.name;
    this.jobTitle = person.jobTitle;

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/**
The following example is a simple use case of Object.keys and Array.map functions
to loop through a nested JavScript array with object nested into it.

Steps:
1. Used a map() method on the main array, i.e. examResult
2. Started looping through the mapped object
3. If the loop encounters a JavaScript Object (marks in this case) it applied Object.keys method on it

Structure of examResult array:

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/**
 * Custom Column control
 * Reference: https://github.com/WordPress/gutenberg/blob/master/packages/block-library/src/columns/index.js
 */

import { times } from 'lodash';
import classnames from 'classnames'
import memoize from 'memize';

/**