Exponentiation Assignment(**=) Operator in JavaScript Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report JavaScript Exponentiation Assignment Operator in JavaScript is represented by "**=". This operator is used to raise the value of the variable to the power of the operand which is right. This can also be explained as the first variable is the power of the second operand. The exponentiation operator is equal to Math.pow(). Syntax: a **= b or a = a ** b Example 1: In this example, we will use the exponentiation assignment operator. JavaScript let x = 6; console.log(x **= 2); console.log(x **= 0); console.log(x **= 'bar'); Output36 1 NaN Example 2: In this example, we will use the exponentiation operator to the NaN. JavaScript let x = NaN; console.log(x **= 2); OutputNaN We have a complete list of Javascript Assignment Operators, Please check this article Javascript Assignment Operator. Supported Browser: Chrome 52Edge 14Firefox 52Opera 39Safari 10.1 Comment More info M mansigeekso9ii Follow Improve Article Tags : JavaScript Web Technologies 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 Strings5 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 readScope of Variables in JavaScript3 min readJavaScript Higher Order Functions7 min readDebugging in JavaScript4 min read Like