HTMLAnchorElement.hash

The HTMLAnchorElement.hash property returns a USVString containing a '#' followed by the fragment identifier of the URL.

The fragment is not percent-decoded. If the URL does not have a fragment identifier, this property contains an empty string, "".

Syntax

// Getter
string = anchor.hash;
// Setter
anchor.hash = string;

Given this HTML

<a id="myAnchor" href="/en-US/docs/HTMLAnchorElement#Examples">Examples</a>

you can get the hash of the anchor like this:

const anchor = document.getElementById("myAnchor");
anchor.hash; // returns '#Examples'

Specification
HTML Standard # dom-hyperlink-hash-dev

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