JavaScript Fundamentals Coding Practice Problems Last Updated : 21 Feb, 2025 Comments Improve Suggest changes Like Article Like Report Mastering the fundamentals of JavaScript is important for building a strong foundation in web development. This comprehensive guide covers a curated list of JavaScript fundamentals coding practice problems across various fundamental topics, including operators, control flow, numbers, strings and more.Whether you're a beginner just starting out or an experienced developer looking to refine your skills, these problems will help you become proficient in core JavaScript concepts.JavaScript Fundamentals Practice QuestionsBasicAdd Two Numbersif Statementelse statementelse if StatementSwitch StatementSwap Two VariablesMultiplication TableFind the RemainderCheck Even or OddCheck Positive or NegativeFind the Larger NumberConcatenate Two StringsConvert Uppercase to LowercaseConvert Lowercase to UppercaseClosest NumberPattern 5Pattern 10Armstrong NumbersPerfect NumbersEasyPower of 2Array SearchLargest Element in an ArrayDay of the WeekAdding OnePrime NumbersPrime FactorizationExtract Number from StringPalindrome StringRemove SpaceConvert List of Characters to String Check if a String is an IsogramPanagram CheckingRemove Characters from Alphanumeric StringCount type of CharactersSum of Large Numbers Sum of Digits Simple Interest GCD of Two Numbers LCM And GCD Series AP Print the Kth DigitTriangular NumberMediumEvaluate Formulaenth Term of Arithmetic Progressionnth Term of Geometric ProgressionConvert Celsius to FahrenheitFirst Set BitSum of AP SeriesFind LCM and GCDConvert Decimal Number to BinaryFactorial of a NumberCheck Strong NumberCheck Palindrome NumberFind the Sum of Digits of a NumberCheck Armstrong NumberFibonacci Series up to N TermsJavaScript Basic QuizzesIntroductionVariables and Data TypesOperatorsControl FlowArrays Comment More infoAdvertise with us Next Article JavaScript Coding Practice Problem S souravsharma098 Follow Improve Article Tags : JavaScript Web Technologies javascript-basics JavaScript-DSA JavaScript-Questions +1 More Similar Reads JavaScript Control Flow Coding Practice Problems Control flow structures like conditionals and loops design how JavaScript programs execute. Mastering if-else statements, switch cases, loops, and recursion is important for writing efficient code. This curated list of JavaScript control flow practice problems covers a variety of exercises to help y 1 min read JavaScript Arrays Coding Practice Problems 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 J 2 min read JavaScript Interview Questions and Answers JavaScript is the most used programming language for developing websites, web servers, mobile applications, and many other platforms. In Both Front-end and Back-end Interviews, JavaScript was asked, and its difficulty depends upon the on your profile and company. Here, we compiled 70+ JS Interview q 15+ min read JavaScript Interview Questions and Answers JavaScript is the most used programming language for developing websites, web servers, mobile applications, and many other platforms. In Both Front-end and Back-end Interviews, JavaScript was asked, and its difficulty depends upon the on your profile and company. Here, we compiled 70+ JS Interview q 15+ min read JavaScript Coding Practice Problem The JavaScript Coding Practice Problems page provides a variety of exercises for developers at all levels. It covers almost all the JavaScript topics like operators, control flow, numbers, strings, arrays, functions, and Regular Expressions. These problems are designed to strengthen your JavaScript 1 min read JavaScript Programs JavaScript Programs contains a list of articles based on programming. This article contains a wide collection of programming articles based on Numbers, Maths, Arrays, Strings, etc., that are mostly asked in interviews.Table of ContentJavaScript Basic ProgramsJavaScript Number ProgramsJavaScript Math 13 min read Like