let saveBtn = document.querySelector("#save"); let api = document.querySelector("#apikey"); let toastError = document.querySelector(".toast-error"); let toastSuccess = document.querySelector(".toast-success"); saveBtn.addEventListener("click", () => { if (api.value) { toastSuccess.classList.remove("d-hide"); chrome.storage.local.set({ urlMinifyAPIKey: api.value }, function () { console.log("Value is set to " + api.value); }); } else { toastError.classList.remove("d-hide"); setTimeout(() => { toastError.classList.add("d-hide"); }, 2000); } });