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JavaScript & HTML DOM Reference Manual

Overview

JavaScript Object

JavaScript Array Object JavaScript Boolean Object JavaScript Date Object JavaScript Math Object JavaScript Number Object JavaScript String Object JavaScript RegExp Object JavaScript Global properties / functions JavaScript Operator

Browser Object

Window Object Navigator Object Screen Object History Object Location Object

DOM Object

HTML DOM Document Object HTML DOM Element object HTML DOM Attribute object HTML DOM Event object

HTML Object

<a> <area> <audio> <base> <blockquote> <body> <button> <canvas> <col> <colgroup> <datalist> <del> <details> <dialog> <embed> <fieldset> <form> <iframe> <frameset > <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> - range <input> - password <input> - radio <input> - reset <input> - search <input> - submit <input> - text <input> - time <input> - url <input> - week <keygen> <link> <label> <legend> <li> <map> <menu> <menuItem> <meta> <meter> <object> <ol> <optgroup> <option> <param> <progress> <q> <script> <select> <source> <style> <table> <td> <th> <tr> <textarea> <title> <time> <track> <video>

Navigator onLine property

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Navigator Object Reference

Navigator Objects

Definition and Usage

onLine property is a read-only Boolean value that declares whether the system is in offline mode.

grammar

navigator.onLine

Browser Support

All major browsers support onLine property

Examples

Whether the browser Online:

var x=navigator.onLine;

x output:

Navigator Object Reference

Navigator Objects

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