update keybindings

s/shit.js

@@ -1,19 +1,19 @@
 const keybindings = {
-  'ArrowLeft': clickOnElementBinding('#next'),
-  'ArrowRight': clickOnElementBinding('#prev'),
-  'r': clickOnElementBinding('#random')
+  "ArrowLeft": clickOnElementBinding("#next"),
+  "ArrowRight": clickOnElementBinding("#prev"),
+  "r": clickOnElementBinding("#random")
 };
 
-function clickOnElementBinding(selector) {
+const clickOnElementBinding(selector) = () => {
   return () => {
-    let elem = document.querySelector(selector);
+    const elem = document.querySelector(selector);
     if(elem)
       elem.click();
   };
-}
+};
 
-(function() {
-  document.addEventListener('keydown', e => {
+(() => {
+  document.addEventListener("keydown", e => {
     if(e.key in keybindings) {
       e.preventDefault();
       keybindings[e.key]();