moment js get day of week code example

Example 1: moment subtract days

var startdate = moment();
startdate = startdate.subtract(1, "days");
startdate = startdate.format("DD-MM-YYYY");

Example 2: moment js add day

var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days');

Example 3: moment js npm

moment.locale();         // en
moment().format('LT');   // 8:41 PM
moment().format('LTS');  // 8:41:43 PM
moment().format('L');    // 04/11/2020
moment().format('l');    // 4/11/2020
moment().format('LL');   // April 11, 2020
moment().format('ll');   // Apr 11, 2020
moment().format('LLL');  // April 11, 2020 8:41 PM
moment().format('lll');  // Apr 11, 2020 8:41 PM
moment().format('LLLL'); // Saturday, April 11, 2020 8:41 PM
moment().format('llll'); // Sat, Apr 11, 2020 8:41 PM
                         // undefined

Example 4: moment get date by weeknumber

console.log(state.weeknumber)
    console.log(state.created_at.clone().add(7, "day").format("Do MMMM"))
    console.log(state.weeknumber)
    console.log(moment().day("monday").week(value).format("Do MMMM"))
    console.log(moment().day("tuesday").week(value).format("Do MMMM"))
    console.log(moment().day("wednesday").week(value).format("Do MMMM"))
    console.log(moment().day("thursday").week(value).format("Do MMMM"))
    console.log(moment().day("friday").week(value).format("Do MMMM"))
    console.log(moment().day("saturday").week(value).format("Do MMMM"))
    console.log(moment().day("sunday").week(value).add(7, "day").format("Do MMMM"))