change append() to appendChild

rbastiansch · rbastiansch · commit c392dde77300 · 2017-01-10T23:16:16.000-02:00
diff --git a/22 - Follow Along Link Highlighter/index-FINISHED.html b/22 - Follow Along Link Highlighter/index-FINISHED.html
@@ -29,7 +29,7 @@
   const triggers = document.querySelectorAll('a');
   const highlight = document.createElement('span');
   highlight.classList.add('highlight');
-  document.body.append(highlight);
+  document.body.appendChild(highlight);
 
   function highlightLink() {
     const linkCoords = this.getBoundingClientRect();
