Headers#delete returns true if the value exists.

[tsctx]

Bug Description

Headers#delete returns true if the value exists.

Reproducible By

console.log(new Headers({ "x": "0" }).delete("x")); // true
console.log(new Headers().delete("x")); // undefined

Expected Behavior

console.log(new Headers({ "x": "0" }).delete("x")); // undefined
console.log(new Headers().delete("x")); // undefined

Logs & Screenshots

> $ node
Welcome to Node.js v21.1.0.
Type ".help" for more information.
> new Headers({ "x": "0" }).delete("x")
true
> new Headers().delete("x")
undefined
>

Environment

Additional context