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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>

onloadstart event

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Examples

Executed when the video starts to load JavaScript:

<Video onloadstart = "myFunction ()">

Bottom of this article contains more examples.

Definition and Usage

onloadstart event in the browser to start looking specified video / audio (audio / video) trigger.

Video / audio (audio / video) during the loading process, the order is triggered as follows:

Browser Support

Figures in the table represent the first browser to support this version of events.

event
onloadstart	Yes	9.0	Yes	Yes	Yes

grammar

In HTML:

<Elementonloadstart = "myScript"> try

In JavaScript:

object .onloadstart = function () {myScript }; try

JavaScript, use the addEventListener () method:

object .addEventListener ( "loadstart", myScript ); try

Note: Internet Explorer 8 and earlier versions of IE do not support addEventListener () method.

technical details

Whether to support the bubble:	No
It can be canceled:	No
Event Type:	Event
Supported HTML tags:	<Audio>, <video>

More examples

Examples

Executed when the audio starts loading JavaScript:

<Audio onloadstart = "myFunction ()">

Event Object Reference

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Next: onpause event