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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

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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>

JavaScript LN2 property

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JavaScript Math Object

Examples

Returns the natural logarithm of 2:

Math.LN2;

Output:

0.6931471805599453

Definition and Usage

LN2 property is _^log e 2, namely the natural logarithm of 2, whose value is approximated .69314718055994528623.

Browser Support

All major browsers support LN2 property.

grammar

Math.LN2

technical details

return value:	Returns the natural logarithm (equivalent to about 0.693) 2.
JavaScript version:	1.0

JavaScript Math Object

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Next: JavaScript Math Object