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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 Video preload property

Previous: HTML DOM Video readyState property

Next: HTML DOM Video poster property

Examples

See page Once loaded whether to start loading the video:

var x = document.getElementById ( "myVideo") preload.;

x The output is:

none // when the page is loaded, the video should not be loaded

Definition and Usage

preload property sets or returns the video preload property values.

preload property sets or returns whether the page is loaded immediately after loading audio / video.

Note: If the autoplay attribute, this property is ignored.

Note: <video> element in HTML5 is new.

Browser Support

All major browsers support preload property

Note: Internet Explorer does not support the preload property. .

grammar

Back preload attributes:

videoObject .preload

Setting preload properties:

videoObject .preload = "auto | metadata | none"

Property Value

value	description
auto	Once the page is loaded instructions, then start loading the audio / video.
metadata	It indicates when the page is loaded only load audio / video metadata.
none	After indicating the page loads should not load audio / video.

technical details

return value:	String representing the preloaded data. The possible return values "auto", "metadata", or "none".

More examples

Examples

The following example demonstrates how to set different properties:

. Document.getElementById ( "myVideo") preload = "none";
. Document.getElementById ( "myVideo") preload = "auto";

Related Pages

HTML Reference Manual: HTML <Video> PRELOAD property

Video Object Reference

Previous: HTML DOM Video readyState property

Next: HTML DOM Video poster property