function isPhoneTel(n){

    var reg = /^1[3|4|5|8]\d{9}$/;

    if(!!(reg.test(n))){

        return true;

    }

    else{

        return false;

    }

}

phone: function(){

    var _this = this;

    // 只可以输入数字、删除等键

    _this.kphone.onkeydown = function(e){

        e = e || window.event;

        var code = e.keyCode;

        if(!((code >= 48 && code <= 57) || (code >= 96 && code <= 105) || code === 8 || code === 13 || code===46 || code === 37 || code === 39)){

            return false;

        }

    }

    // 当是11位手机号时触发回调函数

    _this.kphone.onkeyup = function(e){

        e = e || window.event;

    } 

    // 当失去焦点时判断是不是正确手机号

    _this.kphone.onblur = function(){if(_this.isPhoneTel(_this.kphone.value)){

            _this.ktip.innerHTML = "您的手机号："+_this.kphone.value;

        } else{

            _this.ktip.innerHTML = "请输入正确的手机号码！";

        }

    }

}