Implemented data-prefetch attribute for anchor elements. Presence of this attribute on an anchor will cause the referenced page to be preloaded when the parent page of that anchor is shown. Fixes jquery-archive#1819.

Author: scottjehl

js/jquery.mobile.navigation.js

@@ -1115,6 +1115,18 @@
 			$.mobile.changePage( href, { transition: transition, reverse: reverse, role: role } );
 			event.preventDefault();
 		});
+		
+		//prefetch pages when anchors with data-prefetch are encountered
+		$( ".ui-page" ).live( "pageshow.prefetch", function(){
+			var urls = [];
+			$( this ).find( "a:jqmData(prefetch)" ).each(function(){
+				var url = $( this ).attr( "href" );
+				if ( url && $.inArray( url, urls ) === -1 ) {
+					urls.push( url );
+					$.mobile.loadPage( url );
+				}
+			});
+		} );
 
 		//hashchange event handler
 		$window.bind( "hashchange", function( e, triggered ) {