JavaScript Arrays Coding Practice Problems Last Updated : 24 Feb, 2025 Comments Improve Suggest changes Like Article Like Report Arrays are one of the most fundamental data structures in JavaScript, allowing efficient storage and manipulation of data. This curated list of Coding Practice Problems will help you to master JavaScrip Arrays. Whether you're a beginner or an experienced developer, these problems will enhance your JavaScript array manipulation skills!Arrays Practice ProblemsEasyArray SearchSize of an ArrayLargest Element in ArrayDay of the weekSecond LargestThird largest elementThree Great CandidatesMove All Zeroes to EndReverse array in groupsWave ArrayAdding OneRepetitive Addition Of DigitRemove Duplicates Sorted ArrayAlternate Positive NegativeProduct array puzzleEquilibrium PointConvert array into Zig-ZagMissing in ArrayCheck Equal ArraysConvert to Roman NoClosest StringsDivisible by 7Encrypt the string - 2Isomorphic StringsEqual point in a string of bracketsMediumCheck if array is sortedCount the ZerosAveragePascal TriangleDeterminant of a MatrixNumber of pathsRotate ArrayArray LeadersMissing And RepeatingMissing ranges of numbersMajority ElementMajority Element IIStock Buy and SellMinimize the Heights IIKadane's AlgorithmMaximum Product SubarraySubarrays Product Less than KSplit array in three equal sum subarraysMaximize Number of 1'sMin Swaps to Group 1sSort 0s, 1s and 2sRearrange Array AlternatelyK-th element of two ArraysIndexes of Subarray SumMinimum PlatformsForm the Largest NumberLargest subarray with 0 sumHardSegmented SieveStock Buy and Sell – Multiple TransactionLast Moment Before All Ants Fall Out of a PlankTrapping Rain WaterMax Circular Subarray SumSmallest Positive MissingMinimum JumpsNot a subset sumSmallest range in K listsCandy problemSubarrays with K Distinct IntegersNext Smallest PalindromeSwapping pairs make sum equalMax sum in the configurationArrays QuizArrays Comment More info S souravsharma098 Follow Improve Article Tags : JavaScript Web Technologies JavaScript-DSA JavaScript-Questions JavaScript-Quiz +1 More 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 Strings6 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)9 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 readJavascript Scope3 min readJavaScript Higher Order Functions7 min readDebugging in JavaScript4 min read Like