北漂IT民工的博客

var Timer = function(obj){
var t = null;
var interval = 1000;
var start = function(period, callback){
     if(t) clearTimeout(t);
     t = setTimeout(function(){ if(callback) callback.call(obj);}, period);
}
var stop = function(){
    clearTimeout(t);
}
var repeat = function(period, callback){
     if(t) clearTimeout(t);
     t = setTimeout(function(){ if(callback) callback.call(obj); repeat(period, callback);}, period);
}

this.start = start;
this.stop = stop;
this.repeat = repeat;
}

var obj = {
   name: "timer1"
};

var time = new Timer(obj);
//time.start(1000, function(){ alert(this.name);});
time.repeat(1000, function(){ alert(this.name);});