Update Webpack.md

Webpack.md

@@ -335,3 +335,30 @@ and it will open up your browser automatically.  Change a file, and see it reloa
 ```
 rm -r dist
 ```
+
+Change your script tag to be
+
+```html
+<script src="main.js" charset="utf-8"></script>
+```
+
+And take out the `output` property in webpack.config.js
+
+```javascript
+module.exports = {
+    entry: './js/index.js',
+    module: {
+        rules: [
+            {
+                test: /\.(js|jsx)$/, //for all files that end with js/jsx
+                use: {
+                    loader: 'babel-loader', //use the babel loader to load:
+                    options: {
+                        presets: ["es2015", "react"] //the es2015 compiler
+                    }
+                }
+            }
+        ]
+    }
+};
+```