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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 Frame / IFrame longDesc property

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Frame / IFrame Object Reference

Frame / IFrame objects

Definition and Usage

longDesc property sets or returns the value frame / iframe element longDesc property.

longdesc attribute specifies the URL of a framework for content description.

NOTE: The browser does not support frames can use this property.

grammar

frameObject.longDesc=URL

或者

iframeObject.longDesc=URL

Browser Support

All major browsers support longDesc property

Examples

Examples

Return Value longdesc attribute:

document.write(document.getElementById("myframe").longDesc);

Frame / IFrame Object Reference

Frame / IFrame objects

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Next: HTML DOM IFrame height property