JavaScript Number valueOf( ) Method Last Updated : 22 May, 2023 Comments Improve Suggest changes Like Article Like Report JavaScript Number valueOf( ) method in JavaScript is used to return the primitive value of a number. This method is usually called internally by JavaScript and not explicitly in web code Syntax: number.valueOf() Parameters: This method does not accept any parameter. Return Value: The valueof() method in JavaScript returns a number representing the primitive value of the specified Number object. Below are examples of the Number valueOf( ) Method: Example 1: In this example, the output comes out to be NaN as the value stored in the variable is NaN. JavaScript let num=NaN; console.log(num.valueOf()); Output: NaN Example 2: Passing a positive number as an argument in the valueOf() method. JavaScript let num=213; console.log(num.valueOf()); Output: 213 Example 3: Passing a negative number as an argument in the valueOf() method. JavaScript let num=-213; console.log(num.valueOf()); Output: -213 Example 4: Passing zero as an argument in the valueOf() method. JavaScript let num=0; console.log(num.valueOf()); Output: 0 Example 5: Passing an equation(equating to infinite value) as an argument in the valueOf() method. JavaScript let num=0/0; console.log(num.valueOf()); Output: Nan Supported Browsers: GoogleEdgeFirefox Apple Safari Opera We have a complete list of Javascript Number Objects methods, to check those please go through this Javascript Number Complete reference article. Comment More info S Shubrodeep Banerjee Follow Improve Article Tags : JavaScript JavaScript-Numbers 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