Function keydonwHandler

DownloadAllContent/DownloadAllContent.user.js:2209–2219

        downloadSingleShortcutInput.style.cursor = "cell";
        downloadCustomShortcutInput.style.cursor = "cell";
        let keydonwHandler = e => {
            if (e.key) {
                if (e.key == "Backspace") {
                    e.target.value = "";
                } else if (e.key != "Control" && e.key != "Shift" && e.key != "Alt" && e.key != "Meta") {
                    e.target.value = formatShortcut(e);
                }
            }
            e.preventDefault();
            e.stopPropagation();
        };
        downloadShortcutInput.addEventListener("keydown", keydonwHandler);
        downloadSingleShortcutInput.addEventListener("keydown", keydonwHandler);
        downloadCustomShortcutInput.addEventListener("keydown", keydonwHandler);