add accessibility to open and close buttons (#311)

refactor the way to focus apps when the menu is opened (#301)

src/lib/createElement.js

@@ -3,7 +3,13 @@ module.exports = (tagName, attributes) => {
 
   if (typeof attributes === 'object') {
     for (let i in attributes) {
-      element.setAttribute(i, attributes[i])
+      if (i === 'text') {
+        element.textContent = attributes[i]
+      } else if (i === 'html') {
+        element.innerHTML = attributes[i]
+      } else {
+        element.setAttribute(i, attributes[i])
+      }
     }
   }