diff --git a/note_kfet/static/js/dynamic-formset.js b/note_kfet/static/js/dynamic-formset.js
index cb6151df..88d01eca 100644
--- a/note_kfet/static/js/dynamic-formset.js
+++ b/note_kfet/static/js/dynamic-formset.js
@@ -39,16 +39,16 @@
     }
 
     var showAddButton = function () {
-      return maxForms.length == 0 || // For Django versions pre 1.2
-                    (maxForms.val() == '' || (maxForms.val() - totalForms.val() > 0))
+      return maxForms.length === 0 || // For Django versions pre 1.2
+                    (maxForms.val() === '' || (maxForms.val() - totalForms.val() > 0))
     }
 
     /**
             * Indicates whether delete link(s) can be displayed - when total forms > min forms
             */
     var showDeleteLinks = function () {
-      return minForms.length == 0 || // For Django versions pre 1.7
-                    (minForms.val() == '' || (totalForms.val() - minForms.val() > 0))
+      return minForms.length === 0 || // For Django versions pre 1.7
+                    (minForms.val() === '' || (totalForms.val() - minForms.val() > 0))
     }
 
     var insertDeleteLink = function (row) {
diff --git a/note_kfet/static/js/konami.js b/note_kfet/static/js/konami.js
index 2b399b14..add7fb0b 100644
--- a/note_kfet/static/js/konami.js
+++ b/note_kfet/static/js/konami.js
@@ -38,8 +38,8 @@ function afterKonami () {
 
 // Register custom event
 document.addEventListener('keydown', (e) => {
-  cursor = (e.keyCode == KONAMI_CODE[cursor]) ? cursor + 1 : 0
-  if (cursor == KONAMI_CODE.length) {
+  cursor = (e.keyCode === KONAMI_CODE[cursor]) ? cursor + 1 : 0
+  if (cursor === KONAMI_CODE.length) {
     afterKonami()
   }
 })