js 显示六个月日期

function dateQuey(){

var d = new Date();
var year = d.getFullYear();
var mon =  d.getMonth()+1;
if(mon<10){
mon = "0"+mon;
}
var cle = year+""+mon
$('.cur_li').text(cle);
for(var n=0;n<=5;n++){

var totalMon = mon-n;
var newYear;
var newMon;
if(totalMon < 1){
newYear=year - 1;
newMon = 12 + totalMon;
}else{
newYear = year - Math.floor(totalMon/12) ;
newMon = totalMon % 12;
}
var newDate = newYear+""+(newMon>=10?newMon:('0'+newMon));
var div ='<div class="li" onclick="setText(this)">'+newDate+'</div>';
$('.list').append(div);
}

}