Polyfill DateTimeLocal HTML5

polyfill-datetime_local.js

if (!Date.prototype.toDatetimeLocal) {
  (function () {
    Date.prototype.toDatetimeLocal = function () {
      var date = this
      var ten = function (i) {
        return (i < 10 ? '0' : '') + i;
      }

      if (date == 'Invalid Date') return false

      var YYYY = date.getFullYear()
      var MM = ten(date.getMonth() + 1)
      var DD = ten(date.getDate())
      var HH = ten(date.getHours())
      var II = ten(date.getMinutes())
      var SS = ten(date.getSeconds())

      return YYYY + '-' + MM + '-' + DD + 'T' + HH + ':' + II + ':' + SS;
    };
  }());
}