Nodejs Number Format Pad pad(length, char)

Method Source Code

Number.prototype.pad = function(length, char) {
   var str = '' + this;
   while (str.length < length) {
      str = char + str;//from w ww  . ja  va  2s . c  om
   }
   return str;
}

var flare = {};
flare.hosts = {};
for(var i = 1; i < 6; i++) {
   var forests = {}
   var max = Math.floor(Math.random()*11) + 1;
   for(var j = 0; j < max; j++) {
      forests["forest" + j.pad(3, "0")] = Math.floor(Math.random()*800) + 1;
   }
   flare.hosts["host" + i.pad(3, "0")] = forests;
}

console.dir(flare);

Related

1. pad(len)

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

2. 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;
   

3. pad(length)

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

4. 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);
   };
   

5. 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);
   

6. 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;
   };
   

7. pad(n)

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

8. pad(n, p)

   Number.prototype.pad = function(n, p) {
     var s = '' + this;
     p = p || '0';
     while (s.length < n) s = p + s;
     return s;
   

9. pad(size)

   Number.prototype.pad = function(size) {
     var s = String(this);
     while (s.length < (size || 2)) { s = '0' + s; }
     return s;
   };