JavaScript Strings Coding Practice Problems Last Updated : 23 Apr, 2025 Comments Improve Suggest changes Like Article Like Report Strings are one of the most essential data types in JavaScript, used for handling and manipulating text-based data. This curated list of JavaScript string practice problems covers everything master JavaScript Strings. Whether you're a beginner or an experienced developer, these problems will enhance your JavaScript string manipulation skills!Strings Practice ProblemsEasyLength of StringFirst OccurrenceReverse StringPangram CheckingCount Words in StringSlice The StringFind PatternPrint AlphabetsReverse digitsFirst Repeated CharacterReverse WordsRoman Number to IntegerRemove DuplicatesLongest Common PrefixUncommon charactersMinimum indexed characterLicense Key FormattingPanagram CheckingMediumAnagramFind one extra characterSubstringGetLine 1Palindrome StringPower SetPermutations of a StringNext PermutationString Rotated by 2 PlacesLongest substring with distinct charactersSearch Pattern (Z-algorithm)Find largest word in dictionaryValidate an IP AddressEqual 0, 1 and 2Add Binary StringsSum of two large numbersMultiply two stringsLook and Say PatternMinimum Repeating SubstringExcel Sheet | Part - 1Form a palindromeNext higher palindromic numberLongest Palindromic SubsequenceLength of the longest substringSubstrings of length k with k-1 distinct elementsSubstrings with K DistinctInterleaved StringsPrint Anagrams TogetherRank The PermutationsMinimum DeletionsHardImplement AtoiSearch Pattern (Rabin-Karp Algorithm)Longest Prefix SuffixSmallest window containing all charactersRestrictive Candy CrushShortest Common SupersequenceNumber of distinct words with K maximum contiguous vowelsLongest substring to form a PalindromeLongest valid ParenthesesDistinct palindromic substringsFind the N-th characterLongest Prefix SuffixLongest Substring with K Uniquesk-AnagramNumber of distinct subsequencesStrings QuizString Comment More infoAdvertise with us Next Article JavaScript Strings Coding Practice Problems S souravsharma098 Follow Improve Article Tags : JavaScript Web Technologies JavaScript-DSA JavaScript-Questions JavaScript-Quiz +1 More Similar Reads JavaScript Map Coding Practice Problems Maps are an essential data structure used for storing key-value pairs. 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