201508181508_ best practices for JavaScript singleton mode (from Uncle Tom)

varSingletontester = (function () {    //parameters: A collection of parameters passed to a singleton    functionSingleton (args) {//set the args variable to the received parameter or null (if not provided)        varargs = args | | {}; //set the name parameter         This. Name = ' Singletontester '; //set the value of the Pointx         This. Pointx = Args.pointx | | 6;//taken from the received parameter, or set to the default value        //set the value of the pointy         This. Pointy = Args.pointy | | 10; }    //Instance Container    varinstance; var_static ={name:' Singletontester ',        //methods to get instances        //returns an instance of singletonGetInstance:function(args) {if(Instance = = =undefined) {Instance=NewSingleton (args); }            returninstance;    }    }; return_static;}) ();varSingletontest = Singletontester.getinstance ({pointx:5}); Console.log (SINGLETONTEST.POINTX); //Output 5

201508181508_ best practices for JavaScript singleton mode (from Uncle Tom)