no message

@@ -7,16 +7,16 @@
     </p>
     <child :level="1">Hello world!</child>
     <child :level="3">Hello world!</child>
+    <my-paragraph></my-paragraph>
 </div>
 </template>
 
 <script>
 import counter from './components/counter.vue'
 import child from './components/child.vue'
+import myParagraph from './components/myParagraph.vue'
 
-import {
-    store
-} from './main.js'
+import { store } from './main.js'
 
 export default {
     name: 'app',
@@ -39,7 +39,7 @@ export default {
         }
     },
     components: {
-        counter,child
+        counter,child,myParagraph
     }
 }
 </script>

 <script>
+var getChildrenTextContent = function(children) {
+    return children.map(function(node) {
+        return node.children ?
+            getChildrenTextContent(node.children) :
+            node.text
+    }).join('')
+}
+
 export default {
     data() {
         return {
 
         }
     },
-    computed: {
-
-    },
-    mounted() {
-
-    },
+    computed: {},
+    mounted() {},
     methods: {},
     components: {},
     render: function(createElement) {
+        var headingId = getChildrenTextContent(this.$slots.default)
+            .toLowerCase()
+            .replace(/\W+/g, '-')
+            .replace(/(^\-|\-$)/g, '')
         return createElement(
             'h' + this.level,
-            this.$slots.default
+            [
+                createElement('a', {
+                    attrs: {
+                        name: headingId,
+                        href: '#' + headingId
+                    }
+                }, this.$slots.default)
+            ]
         )
     },
     props: {

+<script>
+export default {
+    data() {
+        return {}
+    },
+    computed: {},
+    mounted() {},
+    methods: {},
+    components: {},
+    render: function(createElement) {
+        // var myParagraphVNode = createElement('p', 'hi')
+        // return createElement('div', [
+        //     // Yikes - duplicate VNodes!
+        //     myParagraphVNode, myParagraphVNode
+        // ])
+        return createElement('div',
+            Array.apply(null, {
+                length: 10
+            }).map(function() {
+                return createElement('p', 'hi')
+            })
+        )
+    }
+}
+</script>