var PlayTrace = function (interVal,name) {

        this.interVal = interVal;

        this.playName = name;

    };

    PlayTrace.prototype = function () {

        startPlay = function (beginVal) {

            if (this.playInterVal) {

                clearInterval(this.playInterVal);

            }

            this.playInterVal = window.setInterval(function (name) {

                console.log(name + "," + beginVal);

                beginVal++;

            }, this.interVal, this.playName);

        }

        return {

            startPlay: startPlay

        }

    }();

    var play1 = new PlayTrace(1000, "play1");

    play1.startPlay(1);

    var play2 = new PlayTrace(2000,"play2");

    play2.startPlay(100);