modified reset during the loop

twemoji.amd.js

@@ -327,7 +327,7 @@ define(function () {
       var
         allText = grabAllTextNodes(node, []),
         length = allText.length,
-        modified = false,
+        modified,
         fragment,
         subnode,
         text,
@@ -340,6 +340,7 @@ define(function () {
         variant,
         src;
       while (length--) {
+        modified = false;
         fragment = document.createDocumentFragment();
         subnode = allText[length];
         text = subnode.nodeValue;