Returns an iterator allowing iteration of all the key-value pairs in the object.
https://developer.mozilla.org/en-US/docs/Web/API/Headers/entries
OptionalforExecutes the callback once for each header, with the value first. Optional so existing implementations remain valid. The streaming client reads response headers through this method, or through Headers.entries when this method is absent.
https://developer.mozilla.org/en-US/docs/Web/API/Headers/forEach
Get a header by name.
https://developer.mozilla.org/en-US/docs/Web/API/Headers/get
The name of the header to get.
Returns true if the header is present.
The name of the header to check.
Returns an iterator allowing iteration of all the keys contained in this object.
https://developer.mozilla.org/en-US/docs/Web/API/Headers/keys
Returns an iterator allowing iteration of all the values contained in this object.
https://developer.mozilla.org/en-US/docs/Web/API/Headers/values
Interface for headers that are part of a fetch response.