獲取時間是星期幾

1.js獲取星期幾

function getDateWeek(date){
   var day = new Date(Date.parse(date));
   var today = new Array('星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六');
   var week = today[day.getDay()];
   return week;
 }
 var datestr = "2019-06-12";
 console.log(getDateWeek(datestr));