In HTML5, set or return the attribute controls that the browser should display standard audio and video controls.-H5 Tutorial-php.cn

In HTML5, set or return the attribute controls that the browser should display standard audio and video controls.

黄舟

Release： 2017-11-08 10:50:49

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Example

myVid=document.getElementById("video1");
myVid.controls=true;

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Definition and Usage

controls property is set or returned to the browser Standard audio and video controls should be displayed.

Standard audio and video controls include:

Play
Pause
Progress bar
Volume
Full screen switch (for video)
Subtitles (when available)
Tracks (when available)

## Browser support

All major browsers All controllers support the controls attribute.

Note: Internet Explorer 8 or earlier browsers do not support this attribute.

Syntax

Set controls attribute:

audio|video.controls=true|false

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Return controls attribute:

audio|video.controls

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Attribute value

ValueDescriptiontrueIndicates the display control. falseDefault. Indicates that the control is not displayed.

Technical Details

Return ValueBoolean value. true|falseDefault value: false

Example:

<!DOCTYPE html>  
<html>  
    <head>  
        <meta charset="utf-8">  
        <title></title>  
    </head>  
    <body>  
        <form action="" method="post">  
        <label id="label">  
            邮编:  
            <input type="text" name="text"value="" maxlength="6">  
            <small>请输入六位数字</small>  
        </label>  
            <input type="button" value="设置默认值" onclick="setValue()">  
        </form>  
        <script type="text/javascript">  
            function setValue(){  
                var label = document.getElementById(&#39;label&#39;);  
                var textbox = label.control;  
                textbox.value=&#39;10010&#39;;  
            }  
        </script>  
    </body>  
</html>

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at In HTML5, you can place a form element inside a tag and access the form element through the tag's control attribute.

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