let today = +document.querySelector(".page-title").innerHTML.replace(/[^0-9]+/, ""); function get() { let c = JSON.parse(localStorage.getItem("userData")); return { data: c[today], raw: c } } let last = undefined; let c = get(); setInterval(() => { let n = get(); if (!n.data) return; if (c.data === undefined) { console.log("started") c = n; return; } if (c.data.board.toString() !== n.data.board.toString()) { console.log("change detected") last = c.raw; c = n; console.log("last board stored", c.data.board) } }, 500) const reset = () => { delete c.raw[today]; localStorage.setItem("userData", JSON.stringify(c.raw)); window.location.reload(); }; document.addEventListener('keydown', function (event) { if (event.ctrlKey && event.key === 'z' && c.data !== undefined) { if (last === undefined) { reset() } else { localStorage.setItem("userData", JSON.stringify(last)); window.location.reload(); } } if (event.altKey && event.key === 'r' && c.data !== undefined) { reset() } });