function Stack(type) {        function QueueConst() {}        QueueConst.execute_ing=[],        QueueConst.execute_no=[],        QueueConst.state=1,        QueueConst.type = type?type:false        QueueConst.prototype.stop=function () {//暂停        QueueConst.state=2    }        QueueConst.prototype.reset=function () { //恢复        QueueConst.state=3        QueueConst.prototype.execute();    }        QueueConst.prototype.execute=function () { //执行队列        if(QueueConst.state==2) return;        var currentItem = null        if(QueueConst.execute_ing.length>0){            currentItem = QueueConst.execute_ing.shift()            if(QueueConst.type){                currentItem(QueueConst.prototype.reset)                QueueConst.prototype.stop()            }else {                currentItem()                QueueConst.prototype.execute()            }            //执行当前        }else {            if(QueueConst.execute_no.length<1) {//完成队列里面的任务;                QueueConst.state = 1                return            };            QueueConst.execute_ing = QueueConst.execute_no.reverse()            QueueConst.execute_no=[]            QueueConst.prototype.execute()        }    }        QueueConst.prototype.add=function (item) {//添加任务        QueueConst.execute_no.push(item)        if(QueueConst.state==1) QueueConst.state=3        QueueConst.prototype.execute();        }        return new QueueConst()}    var que = Stack(true);    que.add(function (next) {        var index = 1;        var loop = setInterval(function () {            console.log(index++)        },1000)        setTimeout(function () {            next();console.log('one')            clearInterval(loop)        },5000)    })    que.add(function (next) {        var index = 1;        var loop = setInterval(function () {            console.log(index++)        },1000)        setTimeout(function () {            next();console.log('two')            clearInterval(loop)        },3000)    })    que.add(function (next) {        var index = 1;        var loop = setInterval(function () {            console.log(index++)        },1000)        setTimeout(function () {            next();console.log('three')            clearInterval(loop)        },3000)    })

　　

    我的博客，来看吧！

如果有错误，请留言修改下 哦！