Add the format method in Date - Node.js Date

Node.js examples for Date:Date Format

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Description

Add the format method in Date

Demo Code


/**//  w  ww .  ja v  a2 s  .  c om
 * Add the format method in Date
 */
Date.prototype.format = function(format) {
  var o = {
    "M+" : this.getMonth() + 1, // month
    "d+" : this.getDate(), // day
    "h+" : this.getHours(), // hour
    "m+" : this.getMinutes(), // minute
    "s+" : this.getSeconds(), // second
    "q+" : Math.floor((this.getMonth() + 3) / 3), // quarter
    "S" : this.getMilliseconds()
  // millisecond
  }

  if (/(y+)/.test(format)) {
    format = format.replace(RegExp.$1, (this.getFullYear() + "")
        .substr(4 - RegExp.$1.length));
  }

  for ( var k in o) {
    if (new RegExp("(" + k + ")").test(format)) {
      format = format.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k])
          : (("00" + o[k]).substr(("" + o[k]).length)));
    }
  }
  return format;
}

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