JavaScript Boolean Constructor Property Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report JavaScript boolean constructor property returns the constructor function for an object. The function which is returned by this property is just the reference to this function, not a Boolean containing the function’s name The JavaScript number constructor, string constructor, and boolean constructor return function Boolean() { [native code] }, function Number() { [native code] }, and function String() { [native code] } respectively.Syntax: boolean.constructor Parameter: This method does not accept any parameter. Return value: It returns the function Boolean() { [native code] }. Below are examples of the Boolean constructor property: Example 1: javascript function func() { let bool = false; let value = bool.constructor; console.log(value); } func(); Output: ƒ Boolean() { [native code] } Example 2: This example illustrates the boolean constructor property. JavaScript function gfg() { let bool = false; console.log(bool.constructor); } gfg() Output[Function: Boolean] Supported Browsers: The browsers supported by JavaScript Boolean constructor Property are listed below: Google Chrome 1 and aboveInternet Explorer 3 and aboveMozilla Firefox 1 and aboveSafari 1 and aboveOpera 4 and above We have a complete list of Javascript Boolean methods, to check those please go through the Javascript Boolean Complete Reference article. Comment A adeshsingh1 Follow Improve A adeshsingh1 Follow Improve Article Tags : JavaScript Web Technologies JavaScript-Properties JavaScript-Boolean 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