Merge pull request #242 from tho-masn/fix_active_element

IE11 fix: Added check for activeElement

Author: ndelvalle

src/v-click-outside.js

@@ -36,7 +36,11 @@ function onFauxIframeClick({ el, event, handler, middleware }) {
   // https://stackoverflow.com/q/2381336#comment61192398_23231136
   setTimeout(() => {
     const { activeElement } = document
-    if (activeElement.tagName === 'IFRAME' && !el.contains(activeElement)) {
+    if (
+      activeElement &&
+      activeElement.tagName === 'IFRAME' &&
+      !el.contains(activeElement)
+    ) {
       execHandler({ event, handler, middleware })
     }
   }, 0)