diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index aaa5b71..c47f71f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -21,3 +21,23 @@ jobs:
           bundler-cache: true
       - name: Lint Ruby files
         run: bundle exec standardrb
+  Prettier:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+      - name: Restore node_modules cache
+        uses: actions/cache@v4
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-node-modules-${{ hashFiles('package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-modules
+      - name: Install dependencies
+        run: yarn install
+      - name: Lint JS files
+        run: yarn run lint
diff --git a/package.json b/package.json
index 172c0e4..e4b77ae 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   },
   "scripts": {
     "build": "rollup --config",
+    "lint": "prettier --check 'src/**/*.js'",
     "test": "jest"
   },
   "browserslist": "> 0.25%, not dead"