var Shaker = function(f){    // 摇一摇: 检测到3次摇动算一次摇一摇, 摇动后调用处理函数, 不再检测摇动    // f 摇动后的回调    this.callback = f;    this.status = 0;    // 0: 侦听未开始 1: 侦听开始     this.speed = 15;    this.lastX = this.lastY = this.lastZ = 0;    this.num = 0;       // 检测触发次数    this.minNum = 3;    // 最小检测触发次数    this.beginSecond = 0;   // 开始检测的秒数    this.maxSecond = 3;     // 最大间隔秒数        this.handlerWrap = function(){};}Shaker.prototype.listen = function(){    // 侦听摇动    var that = this;    if (this.status == 0 && window.DeviceMotionEvent) {        this.status = 1;        this.handlerWrap = function(event){            that.handler(event)        }        window.addEventListener('devicemotion', this.handlerWrap, false);    }}Shaker.prototype.release = function(){    // 停止侦听    if(this.status == 1){        if (window.DeviceMotionEvent) {            window.removeEventListener('devicemotion', this.handlerWrap);        }        this.status = 0;        this.num = 0;    }}Shaker.prototype.reset = function(){    // 重置检测    if(this.status == 1){        this.num = 0;    }}Shaker.prototype.handler = function(event){    // 传感器事件处理    if(this.status == 1){        var acceleration =event.accelerationIncludingGravity;        var x = acceleration.x;        var y = acceleration.y;        var z = acceleration.z;        if( Math.abs(x-this.lastX) > this.speed ||             Math.abs(y-this.lastY) > this.speed ||             Math.abs(z-this.lastZ) > this.speed )         {            if(this.num == 0){                this.beginSecond = Date.parse(new Date()) / 1000            }            this.num += 1;        }        this.lastX = x;        this.lastY = y;        this.lastZ = z;        if(this.num >= this.minNum){            var now = Date.parse(new Date()) / 1000;            if(now - this.beginSecond <= this.maxSecond){                this.release();                if(this.callback){                    this.callback();                }            }            this.reset();        }    }}

用法:

    var s = new Shaker(function(){ /*摇动后的回调*/ });

    s.listen();