JavaScript String normalize() Method Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report JavaScript String normalize() method returns a Unicode normalization form of a given input string. If the given input is not a string, then at first it will be converted into a string then this method will work.Syntaxstring.normalize([form])Parameters Here the parameter is formed which is of many types- NFC: Normalization Form Canonical Composition.NFD: Normalization Form Canonical Decomposition.NFKC: Normalization Form Compatibility Composition.NFKD: Normalization Form Compatibility Decomposition.These all say the Unicode Normalization Form. Return valueIt returns a new string containing the Unicode Normalization Form of the given input string.Example 1: This example shows the basic use of the string.normalize() method in Javascript. javascript let a = "Geeks For Geeks"; b = a.normalize('NFC') c = a.normalize('NFD') d = a.normalize('NFKC') e = a.normalize('NFKD') console.log(b, c, d, e); Output: Geeks For GeeksGeeks For GeeksGeeks For GeeksGeeks For GeeksExample 2: This example shows the basic use of the string.normalize() method in Javascript. javascript // Taking a string as input. let a = "GeeksForGeeks"; // calling normalize method. b = a.normalize('NFC') c = a.normalize('NFD') d = a.normalize('NFKC') e = a.normalize('NFKD') // Printing normalised form. console.log(b); console.log(c); console.log(d); console.log(e); Output: GeeksForGeeks GeeksForGeeks GeeksForGeeks GeeksForGeeksSupported BrowsersGoogle Chrome 34Edge 12Firefox 31Opera 21Safari 10 Comment More infoAdvertise with us S ShivamKD Follow Improve Article Tags : JavaScript Web Technologies javascript-string JavaScript-Methods Explore JavaScript BasicsIntroduction to JavaScript4 min readJavaScript Versions2 min readHow to Add JavaScript in HTML Document?3 min readJavaScript Syntax6 min readJavaScript Output4 min readJavaScript Comments2 min readVariables & DatatypesVariables and Datatypes in JavaScript6 min readGlobal and Local variables in JavaScript4 min readJavaScript Let6 min readJavaScript const5 min readJavaScript Var Statement7 min readOperatorsJavaScript Operators5 min readOperator precedence in JavaScript2 min readJavaScript Arithmetic Operators5 min readJavaScript Assignment Operators5 min readJavaScript Comparison Operators5 min readJavaScript Logical Operators5 min readJavaScript Bitwise Operators5 min readJavaScript Ternary Operator4 min readJavaScript Comma Operator2 min readJavaScript Unary Operators4 min readJavaScript in and instanceof operators3 min readJavaScript String Operators3 min readStatementsJavaScript Statements4 min readJavaScript if-else3 min readJavaScript switch Statement4 min readJavaScript Break Statement2 min readJavaScript Continue Statement1 min readJavaScript Return Statement4 min readLoopsJavaScript Loops3 min readJavaScript For Loop4 min readJavaScript While Loop3 min readJavaScript For In Loop3 min readJavaScript for...of Loop3 min readJavaScript do...while Loop4 min readPerformance & DebuggingJavaScript | Performance4 min readDebugging in JavaScript4 min readJavaScript Errors Throw and Try to Catch2 min readObjectsObjects in Javascript4 min readObject Oriented Programming in JavaScript3 min readJavaScript Objects6 min readCreating objects in JavaScript5 min readJavaScript JSON Objects3 min readJavaScript Object Reference4 min readFunctionsFunctions in JavaScript5 min readHow to write a function in JavaScript ?4 min readJavaScript Function Call2 min readDifferent ways of writing functions in JavaScript3 min readDifference between Methods and Functions in JavaScript3 min readExplain the Different Function States in JavaScript3 min readJavaScript Function Complete Reference3 min readArraysJavaScript Arrays7 min readJavaScript Array Methods7 min readBest-Known JavaScript Array Methods6 min readImportant Array Methods of JavaScript7 min readJavaScript Array Reference4 min readStringJavaScript Strings6 min readJavaScript String Methods9 min readJavaScript String Reference4 min read Like