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-rw-r--r--js/comments.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/comments.js b/js/comments.js
index e7163a0fd..e9a3e209f 100644
--- a/js/comments.js
+++ b/js/comments.js
@@ -143,3 +143,30 @@ function goto_add_comments( anchor ){
},10);
return false;
}
+
+if (typeof Node == 'undefined') {
+ /* MSIE doesn't define Node, so provide a compatibility object */
+ window.Node = {
+ TEXT_NODE: 3,
+ ENTITY_REFERENCE_NODE: 5
+ };
+}
+
+/* Concatenates all text from element's childNodes. This is used
+ * instead of innerHTML because we want the actual text (and
+ * innerText is non-standard).
+ */
+function getText(element) {
+ var child, text = "";
+ for (var i=0; i < element.childNodes.length; i++) {
+ child = element.childNodes[i];
+ var type = child.nodeType;
+ if (type == Node.TEXT_NODE || type == Node.ENTITY_REFERENCE_NODE) {
+ text += child.nodeValue;
+ } else {
+ /* recurse into nodes of other types */
+ text += getText(child);
+ }
+ }
+ return text;
+}