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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>

HTML DOM Ol reversed property

Previous: HTML DOM Ol objects

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Examples

Set list is in descending order:

document.getElementById("myOl").reversed=true;

Definition and Usage

reversed property sets or returns whether the list in descending order.

When set to true, the list is in descending order (9, 8, 7 ...), rather than ascending order (1, 2, 3 ...).

Browser Support

In addition to Internet Explorer, the other major browsers support reversed attribute.

Note: Safari 5 and earlier versions do not support reversed attribute.

grammar

Back reversed attributes:

olObject .reversed

Setting reversed properties:

olObject .reversed=true|false

Property Value

值	描述
true\|false	规定列表是否为降序。 true - 列表是降序的。 false - 默认。列表不是降序的（是升序的）。

technical details

return value:	Boolean value that, if the list is in descending order, then returns true, otherwise returns false.

More examples

Examples

Detecting whether the list in descending order:

var x = document.getElementById("myOl").reversed;

x The output is:

false

related articles

HTML Reference Manual: HTML <OL> the reversed attribute

Previous: HTML DOM Ol objects

Next: HTML DOM Ol start properties