JS 当前日期减一天

当前日期减一天

 var dateTime = new Date();
 dateTime = dateTime.setDate(dateTime.getDate() - 1);
 dateTime = new Date(dateTime);
 console.log(dateTime);
 console.log(dateFormat(dateTime).replace('-', '').replace('-',''));

function dateFormat(dateData) {
    var date = new Date(dateData)
    var y = date.getFullYear()
    var m = date.getMonth() + 1
    m = m < 10 ? ('0' + m) : m
    var d = date.getDate()
    d = d < 10 ? ('0' + d) : d
    const time = y + '-' + m + '-' + d
    return time
}