javascript获取今天,明天,后天
/**
* @param {} count
* @return {}
* @desc 获取今天,昨天,明天,后天
*/
var formatDate = function(count){
count = count || 0;
var date = new Date(),yy,mm,dd;
date.setDate(date.getDate() + count);
yy = date.getFullYear();
mm = date.getMonth() + 1;
dd = date.getDate();
return yy + \'-\' + mm + \'-\' + dd;
};