How to handle Time issue in JavaScript

Basic Syntax

• Declare a variable to store date data.

  let time=new Date(); // get the current time data

  • Get year: let year = time.getFullYear();
  • Get month: let month=time.getMonth()+1;
    • Be aware that for month data, it will count from 0.
  • Get weekday: let weekday=time.getDay();
    • Be aware that for weekday data, it will count from 0.
  • Get hour: let hour=time.getHours();
  • Get minute: let minute=time.getMinutes();
  • Get second: let second=getSeconds();
  • Get milliseconds: let time.getMilliseconds();
  • Get time stamp: let stamp=time.getTime();

    Additional Knowledge

  • JavaScript Date Time Method 日期時間
  • 前端工程研究：關於 JavaScript 中 Date 型別的常見地雷與建議作法
  • 補零應用的技巧

  Demo