Nodejs Number Format Pad pad(length)

Method Source Code

/**/*from   w  ww. java 2 s . c  o  m*/

Will return zero-padded number.

@param {Integer} length pad length.

@return {String} human-readable zero-padded number.

Example: 

   var something = 9;
   something.pad(2); // "09";

 */
Number.prototype.pad = function(length) {
   var _num = this.toString();
   if (_num.length > length) { 
      return _num;
   }
   
  return (new Array(length).join('0') + this).slice(-length);
};

Related

1. pad(intPad)

   Number.prototype.pad = function(intPad) {
     if (this<0) {
       return "-" + (this-this*2).pad(intPad);
     var newThis = this.toString();
     var reqPad = intPad - newThis.length;
     if (reqPad > 0) {
       return '0000000000000000'.substr(0,reqPad) + this;
     return newThis;
   };
   

2. pad(len)

   Number.prototype.pad = function (len) {
       return (new Array(len+1).join("0") + this).slice(-len);
   };
   

3. pad(len)

   Number.prototype.pad = function(len) {
     s = num.toString();
     if (s.length < len) {
       s = ('00000000000000000000' + s).slice(-len);
     return s;
   };
   

4. pad(len)

   Number.prototype.pad = function (len) {
       return (new Array(len+1).join("0") + this).slice(-len);
   function updateClock() {
     var time = new Date()
     if (time.getHours() > 12)
       elements.clock.html(time.getHours() - 12 + ":" + time.getMinutes() + " PM")
     elements.clock.html(time.getHours() + ":" + time.getMinutes().pad(2) + " AM");
   Number.prototype.toRad = function() {
       return this * Math.PI / 180;
   

5. pad(length)

   Number.prototype.pad = function(length) {
       var result = this.toString(),
           pad = length - result.length;
       while(pad > 0) {
           result = '0' + result;
           --pad;
       return result;
   };
   ...
   

6. pad(length, char)

   Number.prototype.pad = function(length, char) {
       if (length === undefined)
           length = 2;
       if (char === undefined)
           char = "0";
       return (char + this).slice(length * -1);
   

7. pad(length, char)

   Number.prototype.pad = function(length, char) {
     var str = '' + this;
     while (str.length < length) {
       str = char + str;
     return str;
   var flare = {};
   flare.hosts = {};
   ...
   

8. pad(n)

   Number.prototype.pad = function(n) {
     var value = this.toString();
     var length = n + 1 - value.length;
     return length > 0 ? (new Array(length)).join("0") + value: value;
   };
   

9. pad(n)

   Number.prototype.pad = function(n) {
       return ('0000000000' + this).slice((n || 2) * -1);