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 info S ShivamKD Follow Improve Article Tags : JavaScript Web Technologies javascript-string JavaScript-Methods 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