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JS Reference

Overview

JavaScript

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HTML DOM

DOM Attribute DOM Console DOM Document DOM Element DOM Events DOM Event Objects DOM Geolocation DOM History DOM HTMLCollection DOM Location DOM Navigator DOM Screen DOM Style DOM Window WEB Storage

HTML Objects

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <style> <sub> <summary> <sup> <table> <td> <th> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Other References

CSSStyleDeclaration JS Conversion


JavaScript Boolean constructor Property

❮ JavaScript Boolean Reference

Example

The constructor property returns a booleans's constructor function:

var bool = false;
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Definition and Usage

In JavaScript, the constructor property returns the constructor function for an object.

The return value is a reference to the function, not the name of the function:

For JavaScript numbers the constructor property returns function Number() { [native code] }

For JavaScript strings the constructor property returns function String() { [native code] }

For JavaScript booleans the constructor property returns function Boolean() { [native code] }


Browser Support

Property
constructor Yes Yes Yes Yes Yes

Syntax

boolean.constructor

Technical Details

Return Value: function Boolean() { [native code] }
JavaScript Version: ECMAScript 1

❮ JavaScript Boolean Reference