Core: Fix regression in jQuery.text() on HTMLDocument objects

Fixes gh-5264
Closes gh-5265

(cherry picked from commit 44c56f87a31fbc1f43ac575cfd06a0df12073352)

1 files changed, 7 insertions, 2 deletions

diff --git a/src/core.js b/src/core.js
index 16cd9a7c7..8ed56b7e8 100644
--- a/src/core.js
+++ b/src/core.js
@@ -271,9 +271,14 @@ jQuery.extend( {
 				// Do not traverse comment nodes
 				ret += jQuery.text( node );
 			}
-		} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+		}
+		if ( nodeType === 1 || nodeType === 11 ) {
 			return elem.textContent;
-		} else if ( nodeType === 3 || nodeType === 4 ) {
+		}
+		if ( nodeType === 9 ) {
+			return elem.documentElement.textContent;
+		}
+		if ( nodeType === 3 || nodeType === 4 ) {
 			return elem.nodeValue;
 		}