JS - 获取近一年的年月日期数据

var dataArr = [];
var data = new Date();
var year = data.getFullYear();
data.setMonth(data.getMonth()+1, 1)
for (var i = 0; i < 12; i++) {
    
    
    data.setMonth(data.getMonth() - 1);
    var m = data.getMonth() + 1;
    m = m < 10 ? "0" + m : m;
    dataArr.push(data.getFullYear() + "年" + (m) + "月")
}
console.log(dataArr)