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Description: A collection of JavaScript modern interview code challenges for beginners to experts - javascript-code-challenges/challenges/objects.md at main · bassemhussein-code/javascript-code-challenges

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	https://github.com/bassemhussein-code/javascript-code-challenges/commits/main/challenges/objects.md
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Home	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/README.md#this-is-a-collection-of-modern-interview-code-challenges-on-javascript-suitable-for
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#javascript-interview-code-challenges-on-objects
Show the different ways of creating an object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q1
Display all the keys of an object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q2
Display all the values of an object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q3
Write a function which can check if a given object is empty or not	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q4
Display all the keys and values of a nested object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q5
Write a program which can empty a given object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q6
Show how a deep copy of an object can be done	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q7
Create an empty object which has no prototype attached to it	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q8
Create an array of pair of values (key, value) from an object and store it in a map. Consider the object is not nested	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q9
Show the usage of 'Object.entries' to create an object from key value pairs	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q10
Connect 2 objects so that one object is prototypically connected to the other	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q11
Create an object with getter and setter for property	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q12
Show the different types of accessor properties available for object property and write a code defining them	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q13
Create an object with a property 'marks' which cannot be set to a value less than 0	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q14
Create an object which has a property 'userid' which can only be set once and will be a read only property	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q15
Show the different options available to prevent the modifications to the object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q16
Design a function which takes an array as input and returns a function 'next', calling which fetches a value one by one	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q17
Modify the given object so that it can be used inside a for...of loop	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q18
Stringify an object by excluding the 'password' property	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q19
Create an object 'obj' with functions assigned to keys. Show how can we achieve 'obj.func1().func2().func3()' considering func1, func2, func3 are object keys	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q20
Write a polyfill for Object.create	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q21
Write a code show Optional chaining for objects and functions	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q22
Create an object with property counter which keeps incrementing on every access	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q23
Create an object and make it behave like an array which allows push and pop operations on items	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q24
Write a function which can be used to deeply compare 2 nested objects	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q25
Design a class for employee which takes id and name in during construction of object and has a salary property	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q26
Show the usage of static variable & function in a class and accessing it from the code	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q27
Write a class which uses private variable and function	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q28
Show how inheritance works in Class and the use of super keyword with working example	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q29
Show the way of using Proxy for object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q30
Write a program to make all the properties of an object ready only but allow the addition of new properties	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q31
Show how can we use for..of loop to iterate on a range with given start and end values in an object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q32
Write a program which can return a boolean if value is present in the range with given start and end values in an object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q33
Write a function which accepts a topic and a list of related tags to store the information. The same function should return all the topics when requested with a tagname	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q34
Prove that private looking variable in a function is not really private specific to that object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q35
Write a function which accepts a collection of values & an iteratee as arguments and returns a grouped object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q36
Create a constructor function which allows its functions present on prototype to be accessed only by the objects created by calling it	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q37
Design a utility on an array of objects where the access can be made to the object using index (as usual) and also from primary key of the object	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q38
Write a function which receives an object and returns a true if the object has circular reference	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q39
Write a code which can eliminate circular references in an object (Cyclic reference in an object)	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q40
Provide an object on which a value can be set to nested property even if it does not exist	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#Q41
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q1
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-different-ways-of-creating-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q2
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#display-all-the-keys-of-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-1
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q3
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#display-all-the-values-of-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-1
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-2
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Object/values	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Object/values
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q4
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-function-which-can-check-if-a-given-object-is-empty-or-not
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-2
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-3
https://www.samanthaming.com/tidbits/94-how-to-check-if-object-is-empty/	https://www.samanthaming.com/tidbits/94-how-to-check-if-object-is-empty/
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q5
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#display-all-the-keys-and-values-of-a-nested-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q6
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-program-which-can-empty-a-given-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-3
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q7
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-how-a-deep-copy-of-an-object-can-be-done
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-4
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-4
https://www.digitalocean.com/community/tutorials/copying-objects-in-javascript	https://www.digitalocean.com/community/tutorials/copying-objects-in-javascript
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q8
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-empty-object-which-has-no-prototype-attached-to-it
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-5
https://davidwalsh.name/object-create-null	https://davidwalsh.name/object-create-null
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q9
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-array-of-pair-of-values-key-value-from-an-object-and-store-it-in-a-map-consider-the-object-is-not-nested
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-6
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q10
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-usage-of-objectentries-to-create-an-object-from-key-value-pairs
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-7
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/fromEntries	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/fromEntries
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q11
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#connect-2-objects-so-that-one-object-is-prototypically-connected-to-the-other
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-5
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-8
https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object_prototypes	https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object_prototypes
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q12
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-with-getter-and-setter-for-property
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-6
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-9
https://javascript.info/property-accessors	https://javascript.info/property-accessors
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q13
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-different-types-of-accessor-properties-available-for-object-property-and-write-a-code-defining-them
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-7
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-10
https://javascript.info/property-accessors	https://javascript.info/property-accessors
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q14
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-with-a-property-marks-which-cannot-be-set-to-a-value-less-than-0
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-8
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-11
https://javascript.info/property-accessors	https://javascript.info/property-accessors
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q15
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-which-has-a-property-userid-which-can-only-be-set-once-and-will-be-a-read-only-property
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-9
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q16
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-different-options-available-to-prevent-the-modifications-to-the-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-12
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/preventExtensions	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/preventExtensions
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/seal	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/seal
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q17
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#design-a-function-which-takes-an-array-as-input-and-returns-a-function-next-calling-which-fetches-a-value-one-by-one
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-13
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/iterator	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/iterator
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q18
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#modify-the-given-object-so-that-it-can-be-used-inside-a-forof-loop
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-14
https://javascript.info/generators#using-generators-for-iterables	https://javascript.info/generators#using-generators-for-iterables
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q19
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#stringify-an-object-by-excluding-the-password-property
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-15
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q20
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-obj-with-functions-assigned-to-keys-show-how-can-we-achieve-objfunc1func2func3-considering-func1-func2-func3-are-object-keys
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-10
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-16
https://medium.com/technofunnel/javascript-function-chaining-8b2fbef76f7f	https://medium.com/technofunnel/javascript-function-chaining-8b2fbef76f7f
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q21
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-polyfill-for-objectcreate
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-17
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q22
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-code-show-optional-chaining-for-objects-and-functions
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-18
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q23
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-with-property-counter-which-keeps-incrementing-on-every-access
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-11
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q24
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-an-object-and-make-it-behave-like-an-array-which-allows-push-and-pop-operations-on-items
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-12
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q25
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-function-which-can-be-used-to-deeply-compare-2-nested-objects
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-13
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-19
https://dmitripavlutin.com/how-to-compare-objects-in-javascript/	https://dmitripavlutin.com/how-to-compare-objects-in-javascript/
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q26
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#design-a-class-for-employee-which-takes-id-and-name-in-during-construction-of-object-and-has-a-salary-property
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-14
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-20
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q27
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-usage-of-static-variable--function-in-a-class-and-accessing-it-from-the-code
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-21
https://javascript.info/static-properties-methods	https://javascript.info/static-properties-methods
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q28
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-class-which-uses-private-variable-and-function
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q29
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-how-inheritance-works-in-class-and-the-use-of-super-keyword-with-working-example
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-15
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-22
https://javascript.info/class-inheritance	https://javascript.info/class-inheritance
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q30
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-the-way-of-using-proxy-for-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-16
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-23
https://javascript.info/proxy	https://javascript.info/proxy
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q31
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-program-to-make-all-the-properties-of-an-object-ready-only-but-allow-the-addition-of-new-properties
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-17
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-24
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q32
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#show-how-can-we-use-forof-loop-to-iterate-on-a-range-with-given-start-and-end-values-in-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q33
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-program-which-can-return-a-boolean-if-value-is-present-in-the-range-with-given-start-and-end-values-in-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q34
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-function-which-accepts-a-topic-and-a-list-of-related-tags-to-store-the-information-the-same-function-should-return-all-the-topics-when-requested-with-a-tagname
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q35
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#prove-that-private-looking-variable-in-a-function-is-not-really-private-specific-to-that-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q36
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-function-which-accepts-a-collection-of-values--an-iteratee-as-arguments-and-returns-a-grouped-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-25
https://lodash.com/docs/4.17.15#groupBy	https://lodash.com/docs/4.17.15#groupBy
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q37
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#create-a-constructor-function-which-allows-its-functions-present-on-prototype-to-be-accessed-only-by-the-objects-created-by-calling-it
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q38
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#design-a-utility-on-an-array-of-objects-where-the-access-can-be-made-to-the-object-using-index-as-usual-and-also-from-primary-key-of-the-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q39
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-function-which-receives-an-object-and-returns-a-true-if-the-object-has-circular-reference
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#references-26
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q40
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#write-a-code-which-can-eliminate-circular-references-in-an-object-cyclic-reference-in-an-object
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#notes-18
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#q41
	https://github.com/bassemhussein-code/javascript-code-challenges/blob/main/challenges/objects.md#provide-an-object-on-which-a-value-can-be-set-to-nested-property-even-if-it-does-not-exist
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