Ref gh-1117: Don't stop on a falsy value in buildFragment. Close gh-1124.

src/manipulation.js

@@ -424,10 +424,14 @@ jQuery.extend({
 	buildFragment: function( elems, context, scripts, selection ) {
 		var elem, tmp, tag, wrap, contains, j,
 			i = 0,
+			l = elems.length,
 			fragment = context.createDocumentFragment(),
 			nodes = [];
 
-		while ( ( elem = elems[ i++ ] ) || elem === 0 ) {
+		for ( ; i < l; i++ ) {
+			elem = elems[ i ];
+
+			if ( elem || elem === 0 ) {
 
 				// Add nodes directly
 				if ( jQuery.type( elem ) === "object" ) {
@@ -462,13 +466,13 @@ jQuery.extend({
 					tmp.textContent = "";
 				}
 			}
+		}
 
 		// Remove wrapper from fragment
 		fragment.textContent = "";
 
 		i = 0;
 		while ( (elem = nodes[ i++ ]) ) {
-			contains = jQuery.contains( elem.ownerDocument, elem );
 
 			// #4087 - If origin and destination elements are the same, and this is
 			// that element, do not do anything
@@ -476,6 +480,8 @@ jQuery.extend({
 				continue;
 			}
 
+			contains = jQuery.contains( elem.ownerDocument, elem );
+
 			// Append to fragment
 			tmp = getAll( fragment.appendChild( elem ), "script" );
 
@@ -486,7 +492,6 @@ jQuery.extend({
 
 			// Capture executables
 			if ( scripts ) {
-
 				j = 0;
 				while ( (elem = tmp[ j++ ]) ) {
 					if ( rscriptType.test( elem.type || "" ) ) {

test/unit/manipulation.js

@@ -395,7 +395,7 @@ var testAppendForObject = function( valueObj, isFragment ) {
 
 var testAppend = function( valueObj ) {
 
-	expect( 77 );
+	expect( 78 );
 
 	testAppendForObject( valueObj, false );
 	testAppendForObject( valueObj, true );
@@ -469,13 +469,13 @@ var testAppend = function( valueObj ) {
 	jQuery("#table colgroup").append( valueObj("<col/>") );
 	equal( jQuery("#table colgroup col").length, 1, "Append col" );
 
-
 	jQuery("#form")
 		.append( valueObj("<select id='appendSelect1'></select>") )
 		.append( valueObj("<select id='appendSelect2'><option>Test</option></select>") );
 	t( "Append Select", "#appendSelect1, #appendSelect2", [ "appendSelect1", "appendSelect2" ] );
 
 	equal( "Two nodes", jQuery("<div />").append( "Two", " nodes" ).text(), "Appending two text nodes (#4011)" );
+	equal( jQuery("<div />").append( "1", "", 3 ).text(), "13", "If median is false-like value, subsequent arguments should not be ignored" );
 
 	// using contents will get comments regular, text, and comment nodes
 	j = jQuery("#nonnodes").contents();