Request.priority
The priority
read-only property of the Request
interface contains the hinted priority of the request relative to other
requests.
Value
A USVString
indicating the hinted priority of the request.
Possible values are:
-
high
: Fetch the request at a high priority relative to other requests of a similar type. -
low
: Fetch the request at a low priority relative to other requests of a similar type. -
auto
: Default mode, which indicates no preference for the fetch priority. The browser decides what is best for the user.
Examples
In the following snippet, we create a new request using the
Request()
constructor (for an API endpoint)
at a low priority, then save the priority of the request in a variable:
var myRequest = new Request('/background-api-call', {priority: 'low'});
var myPriority = myRequest.priority; // "low"
Specifications
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Browser compatibility
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