clean up

src/front/cobalt.js

@@ -51,7 +51,7 @@ function changeDownloadButton(action, text) {
             break;
     }
 }
-document.addEventListener("keydown", function (event) {
+document.addEventListener("keydown", (event) => {
     if (event.key == "Tab") {
         eid("download-button").value = '>>'
         eid("download-button").style.padding = '0 1rem'
@@ -257,7 +257,7 @@ async function download(url) {
         }
     }).catch((error) => internetError());
 }
-window.onload = function () {
+window.onload = () => {
     loadSettings();
     detectColorScheme();
     changeDownloadButton(0, '>>');
@@ -274,6 +274,6 @@ window.onload = function () {
 eid("url-input-area").addEventListener("keyup", (event) => {
     if (event.key === 'Enter') eid("download-button").click();
 })
-document.onkeydown = function(event) {
+document.onkeydown = (event) => {
     if (event.key === 'Escape') hideAllPopups();
 };