diff --git a/src/js/__tests__/parsers.js b/src/js/__tests__/parsers.js
index 5ed86ba2..8d85618e 100644
--- a/src/js/__tests__/parsers.js
+++ b/src/js/__tests__/parsers.js
@@ -3,7 +3,7 @@
  * @copyright Copyright (c) 2019-2020 Gary Kim <gary@garykim.dev>
  *
  * @copyright Copyright (c) 2021 Suhas Hariharan <contact@suhas.net>
- * 
+ *
  * @author Gary Kim <gary@garykim.dev>
  *
  * @license GNU AGPL version 3 only
diff --git a/src/js/components/CategoryWeighting.vue b/src/js/components/CategoryWeighting.vue
index eb309b63..971d89f5 100644
--- a/src/js/components/CategoryWeighting.vue
+++ b/src/js/components/CategoryWeighting.vue
@@ -147,7 +147,7 @@ export default {
                     catmap[e] = { weighting: 0, category: e };
                 });
             }
-            let category_set = new Set(this.categories);
+            const category_set = new Set(this.categories);
             for (var cat in catmap) {
                 category_set.add(cat);
                 this.renderWeights.push(catmap[cat]);
diff --git a/src/js/components/GradeTable.vue b/src/js/components/GradeTable.vue
index 063bc58f..25c03bfa 100644
--- a/src/js/components/GradeTable.vue
+++ b/src/js/components/GradeTable.vue
@@ -138,7 +138,7 @@ export default {
                 }
                 let missing = 0;
                 for (var cat in catmap) {
-                    if (grade[cat] === undefined || grade[cat] === null || grade[cat].every((element) => element == -1)) {
+                    if (grade[cat] === undefined || grade[cat] === null || grade[cat].every((element) => element === -1)) {
                         if (catmap[cat].weighting !== "") {
                             missing += catmap[cat].weighting;
                         }
@@ -154,7 +154,7 @@ export default {
                             grade_count++;
                         }
                     }
-                    if (catmap[cat].weighting !== "" && grade_count != 0) {
+                    if (catmap[cat].weighting !== "" && grade_count !== 0) {
                         percent += (sum / grade_count) * catmap[cat].weighting;
                     }
                 }
diff --git a/src/js/helpers.js b/src/js/helpers.js
index d5b7a720..1a82573b 100644
--- a/src/js/helpers.js
+++ b/src/js/helpers.js
@@ -352,7 +352,6 @@ function getDefaultConfig () {
     return data;
 }
 
-
 export {
     gradeToFP,
     grade_fp,