Merge pull request shipshapecode#273 from HubSpot/fix-reappend-to-bod…

…y-element Fix bug where Tether would be re-appended to same parent on update
StileEducation · Nov 8, 2017 · 39708c4 · 39708c4
2 parents d46b391 + 43e815e
commit 39708c4
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/dist/js/tether.js b/dist/js/tether.js
@@ -476,7 +476,7 @@ var position = function position() {
 };
 
 function now() {
-  if (typeof performance !== 'undefined' && typeof performance.now !== 'undefined') {
+  if (performance && performance.now) {
     return performance.now();
   }
   return +new Date();
@@ -1248,7 +1248,9 @@ var TetherClass = (function (_Evented) {
 
       if (!moved) {
         if (this.options.bodyElement) {
-          this.options.bodyElement.appendChild(this.element);
+          if (this.element.parentNode !== this.options.bodyElement) {
+            this.options.bodyElement.appendChild(this.element);
+          }
         } else {
           var offsetParentIsBody = true;
           var currentNode = this.element.parentNode;