HTMLLinkElement: as property
The as
property of the HTMLLinkElement
interface returns a string representing the type of content to be preloaded by a link element.
The as
property must have a value for link elements when rel="preload"
, or the resource will not be fetched.
It may also be applied to link elements where rel="modulepreload"
, but if omitted, will default to script
.
The property should not be set for other types of link elements, such as rel="prefetch"
.
This property reflects the value of the as
attribute of the <link>
HTML element.
Value
A string with the following allowed values: "audio"
, "document"
, "embed"
, "fetch"
, "font"
, "image"
, "object"
, "script"
, "style"
, "track"
, "video"
, "worker"
.
Specifications
Specification |
---|
HTML Standard # dom-link-as |
Browser compatibility
BCD tables only load in the browser