Fix: support IE 11

box · Nov 27, 2018 · 91922c1 · 91922c1
1 parent 14f5da6
commit 91922c1
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/doc/DocAnnotator.js b/src/doc/DocAnnotator.js
@@ -535,7 +535,11 @@ class DocAnnotator extends Annotator {
     onSelectionChange(event: Event) {
         const selection = window.getSelection();
         const selectionNode = selection.anchorNode;
-        if (!this.annotatedElement.contains(selectionNode)) {
+        // Check parent node in IE, which will return a text node instead of a div when accessing the anchorNode
+        if (
+            !this.annotatedElement.contains(selectionNode) ||
+            !this.annotatedElement.contains(selectionNode.parentNode)
+        ) {
             return;
         }