JAVASCRIPT

window.location.search javascript

// Let an <a id="myAnchor" href="/en-US/docs/Location.search?q=123"> element be in the document
const anchor = document.getElementById("myAnchor");
const queryString = anchor.search; // Returns:'?q=123'

// Further parsing:
const params = new URLSearchParams(queryString);
const q = parseInt(params.get("q")); // is the number 123