gistfile1.txt

var pageChange = function(pageName){
  		$timeout(function(){
				console.log("inTimeout");
				app=function(){
					console.log("not in Timeout");
					$rootScope.$broadcast("pageChanged",pageName);
				};
				app();
			 
			},1000); 
		}

return {
     pageName:function(newPage) {  //換分頁發出
  	if(newPage){//page name = string or none
			pageName= newPage; 
			pageChange(newPage); 
			
		}else{
			return pageName; 
		}	
     },