Offset: offsetLeft/Top on empty set returns undefined

Closes jquerygh-2319 Ref jquerygh-2701
dmethvin · Nov 9, 2015 · d275e97 · d275e97
1 parent 22449eb
commit d275e97
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/offset.js b/src/offset.js
@@ -202,7 +202,7 @@ jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function(
 			} else {
 				elem[ method ] = val;
 			}
-		}, method, val, arguments.length, null );
+		}, method, val, arguments.length, undefined );
 	};
 } );
 

diff --git a/test/unit/offset.js b/test/unit/offset.js
@@ -460,8 +460,8 @@ testIframe( "offset/scroll", "scroll", function( $, win, doc, assert ) {
 	assert.notEqual( $().scrollLeft( 100 ), null, "jQuery().scrollLeft(100) testing setter on empty jquery object" );
 	assert.notEqual( $().scrollTop( null ), null, "jQuery().scrollTop(null) testing setter on empty jquery object" );
 	assert.notEqual( $().scrollLeft( null ), null, "jQuery().scrollLeft(null) testing setter on empty jquery object" );
-	assert.strictEqual( $().scrollTop(), null, "jQuery().scrollTop(100) testing setter on empty jquery object" );
-	assert.strictEqual( $().scrollLeft(), null, "jQuery().scrollLeft(100) testing setter on empty jquery object" );
+	assert.strictEqual( $().scrollTop(), undefined, "jQuery().scrollTop() testing getter on empty jquery object" );
+	assert.strictEqual( $().scrollLeft(), undefined, "jQuery().scrollLeft() testing getter on empty jquery object" );
 
 	// Tests position after parent scrolling (#15239)
 	$( "#scroll-1" ).scrollTop( 0 );