JSFiddle - React, Tailwind, and code Playground

by Michel Plungjan

JavaScript

let listOrder = ['日', '月', '火', '水', '木', '金', '土'];
let dataTemp = [
            { calendar_date: '2021/11/7' },
            { calendar_date: '2021/11/8' },
            { calendar_date: '2021/11/9' },
            { calendar_date: '2021/11/10' },
            { calendar_date: '2021/11/11' },
            { calendar_date: '2021/11/12' },
            { calendar_date: '2021/11/13' },
            { calendar_date: '2021/11/14' },
            { calendar_date: '2021/11/15' },
            { calendar_date: '2021/11/16' },
            { calendar_date: '2021/11/17' },
            { calendar_date: '2021/11/18' },
            { calendar_date: '2021/11/19' },
            { calendar_date: '2021/11/20' }
          ];

          
dataTemp.forEach(d => d.calendar_date = `${d.calendar_date} ${listOrder[new Date(`${d.calendar_date} 15:00:00`).getDay()]}`)          
console.log(dataTemp)