从javascript中的字符串中的给定日期检索日期

Question

I have this date in this format.

   var str="2019-08-19";(year/month/date)
   var parts =str.split('-');
   var day =parseInt(parts[2],10);

I need to figure out as which day was 19th (Monday/Tuesday /...) . What i tried doing was splitting the given date but that could only give the information such as 19 etc

Answer 1

You can simply do this

  var d = new Date( "2019-08-19");
  var weekday = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];

  var n = weekday[d.getDay()];

Answer 2

Following example will help you.

var days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];

var d = new Date("2019-08-18");  

var dayName = days[d.getDay()];

document.getElementById("myId").innerHTML = dayName;