JavaScript Data Structures Practice Problems Last Updated : 23 Jul, 2025 Comments Improve Suggest changes 5 Likes Like Report The JavaScript Data Structures Practice Problems page covers fundamental data structures such as arrays and strings and advanced structures like stacks and queues. These exercises will help you build a strong foundation for managing data efficiently and solving programming challenges.Data Structures OverviewNumbers – Handling arithmetic operations, number manipulation, and basic mathematical concepts.Strings – Immutable sequences of characters for text processing and manipulation.Arrays – Ordered, mutable collections that support indexing and allow duplicates.LinkedList – A linear data structure where each element (node) points to the next, enabling dynamic data storage.Stack – A LIFO (Last In, First Out) data structure useful for managing function calls or history.Queue – A FIFO (First In, First Out) data structure used to handle tasks in a queue.Data Structures Practice QuestionsHere’s a curated list of practice problems for each data structure in JavaScriptNumbers PracticeString PracticeArray PracticeLinked List PracticeStack PracticeQueue PracticeData Structures QuizTest your understanding and reinforce your knowledge with quizzes on the following topicsNumbersStringArraysLinked ListStackQueueThese exercises and quizzes are designed to enhance your problem-solving skills and help you master the core data structures in JavaScript. Create Quiz Comment S souravsharma098 Follow 5 Improve S souravsharma098 Follow 5 Improve Article Tags : JavaScript Web Technologies JavaScript-DSA JavaScript-Quiz Explore JavaScript BasicsIntroduction to JavaScript4 min readVariables and Datatypes in JavaScript6 min readJavaScript Operators5 min readControl Statements in JavaScript4 min readArray & StringJavaScript Arrays7 min readJavaScript Array Methods7 min readJavaScript Strings5 min readJavaScript String Methods9 min readFunction & ObjectFunctions in JavaScript5 min readJavaScript Function Expression3 min readFunction Overloading in JavaScript4 min readObjects in JavaScript4 min readJavaScript Object Constructors4 min readOOPObject Oriented Programming in JavaScript3 min readClasses and Objects in JavaScript4 min readWhat Are Access Modifiers In JavaScript ?5 min readJavaScript Constructor Method7 min readAsynchronous JavaScriptAsynchronous JavaScript2 min readJavaScript Callbacks4 min readJavaScript Promise4 min readEvent Loop in JavaScript4 min readAsync and Await in JavaScript2 min readException HandlingJavascript Error and Exceptional Handling6 min readJavaScript Errors Throw and Try to Catch2 min readHow to create custom errors in JavaScript ?2 min readJavaScript TypeError - Invalid Array.prototype.sort argument1 min readDOMHTML DOM (Document Object Model)8 min readHow to select DOM Elements in JavaScript ?3 min readJavaScript Custom Events4 min readJavaScript addEventListener() with Examples9 min readAdvanced TopicsClosure in JavaScript4 min readJavaScript Hoisting6 min readScope of Variables in JavaScript3 min readJavaScript Higher Order Functions7 min readDebugging in JavaScript4 min read Like