你即將離開本站

並前往https://prosenjs.blogspot.com/2017/09/add-isdate-function-to-date-prototype.html

Add IsDate Function to Date prototype in JavaScript Problem ...

Date.prototype.isDate = function (){. return (this !== "Invalid Date" && !isNaN(this)) ? true : false;. } new Date().isDate() // true.

確定！ 回上一頁

查詢 「Js date isdate」的人也找了：

  1. JavaScript check is date
    2.
  2. Invalid date js
    3.
  3. JavaScript isDate
    4.
  4. Day js invalid date
    5.
  5. JavaScript isDate w3schools
    6.
  6. Invalid date format
    7.
  7. Javascript check date string is valid
    8.
  8. JS String date format
    9.