Nodejs Number Format Pad pad(length)

Method Source Code

Number.prototype.pad = function(length) {
    var result = this.toString(),
        pad = length - result.length;

    while(pad > 0) {
        result = '0' + result;
        --pad;//w  ww  .java2s  .c o  m
    }

    return result;
};


document.writeln((21).pad(5));

Related

1. pad()

   Number.prototype.pad = function() {
       var x = this.toString();
       while(x.length < 2) {
           x = "0" + x;
       return x;
   

2. 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;
   };
   

3. pad(len)

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

4. pad(len)

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

5. 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;
   

6. pad(length)

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

7. 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);
   

8. 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 = {};
   ...
   

9. 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;
   };