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The HTMLSourceElement interface provides special properties (beyond the regular HTMLElement object interface it also has available to it by inheritance) for manipulating <source> elements.
Properties
Inherits properties from its parent, HTMLElement.
HTMLSourceElement.keySystem- Is a
DOMStringdescribing the key system encrypting the stream. HTMLSourceElement.media- Is a
DOMStringreflecting themediaHTML attribute, containing the intended type of the media resource. HTMLSourceElement.sizes- Is a
DOMStringrepresenting image sizes between breakpoints HTMLSourceElement.src- Is a
DOMStringreflecting thesrcHTML attribute, containing the URL for the media resource. TheHTMLSourceElement.srcproperty has a meaning only when the associated<source>element is nested in a media element that is a<video>or an<audio>element. It has no meaning and is ignored when it is nested in a<picture>element. HTMLSourceElement.srcset- Is a
DOMStringreflecting thesrcsetHTML attribute, containing a list of candidate images, separated by a comma (',', U+002C COMMA). A candidate image is a URL followed by a'w'with the width of the images, or an'x'followed by the pixel density. HTMLSourceElement.type- Is a
DOMStringreflecting thetypeHTML attribute, containing the type of the media resource.
Methods
No specific method; inherits methods from its parent, HTMLElement.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions The definition of 'HTMLSourceElement' in that specification. |
Working Draft | Added the keySystem attribute. |
| WHATWG HTML Living Standard The definition of 'HTMLSourceElement' in that specification. |
Living Standard | No change from HTML5. |
| HTML5 The definition of 'HTMLSourceElement' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | (Yes) | 3.5 (1.9.1) | (Yes) | (Yes) | (Yes) |
srcset attribute |
? | 33 (33)[1] | ? | ? | ? |
sizes attribute |
? | 33 (33)[1] | ? | ? | ? |
keySystem attribute |
? | (Yes)[2] | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | (Yes) | 1.0 (1.9.1) | (Yes) | (Yes) | (Yes) |
srcset attribute |
? | 33.0 (33)[1] | ? | ? | ? |
sizes attribute |
? | 33.0 (33)[1] | ? | ? | ? |
keySystem attribute |
? | (Yes)[2] | ? | ? | ? |
[1] Gecko implements this behind the preference dom.image.picture.enabled, defaulting to false.
[2] Gecko implements this behind the preference media.eme.enabled, defaulting to false.
See also
- The HTML element implementing this interface:
<source>. - The HTML DOM APIs of the elements that can contain a
<source>element:HTMLVideoElement,HTMLAudioElement,HTMLPictureElement.