Nodejs String Padding pad(len, character)

Method Source Code

document.addEventListener("DOMContentLoaded", update);

String.prototype.pad= function(len, character){
    var s = '';
    var character = character || '0';
    var len = (len || 2)-this.length;
    return Array(len).join(character)+this;
}

Number.prototype.pad = function(len, character){
  return String(this).pad(len,character);
}

function update(){
  var textArea = document.getElementById('text');
  textArea.innerHTML = getTime();//  w  ww .j  av  a 2s  . c  om
  setTimeout(update,500);
}

function getTime(){
  var time = new Date();
  var hours = time.getHours();
  var minutes = time.getMinutes();
  var seconds = time.getSeconds();

  return hours.pad(2,'0') + ':' + minutes.pad(2,'0') + ':' +seconds.pad(2,'0');
}

Related

1. pad($char, $length)

   String.prototype.pad = function($char, $length) {
       var $result = this;
       while ($result.length < $length) {
           $result = $char + $result;
       return $result;
   

2. pad(l, r)

   String.prototype.pad = function(l, r) {
     if (r === undefined) {
       r = l
       if (!(this.substr(0, 2) == "0x" || /^\d+$/.test(this)))
         l = 0
     var ret = this.bin();
     while (ret.length < l)
       ret = "\0" + ret
   ...
   

3. pad(l, r)

   String.prototype.pad = function(l, r) {
     if (r === undefined) {
       r = l
       if (!(this.substr(0, 2) == "0x" || /^\d+$/.test(this)))
         l = 0
     var ret = this.bin();
     while (ret.length < l)
       ret = "\0" + ret
   ...
   

4. pad(l, s, t)

   String.prototype.pad = function(l, s, t){
     return s || (s = " "), (l -= this.length) > 0 ? (s = new Array(Math.ceil(l / s.length)
       + 1).join(s)).substr(0, t = !t ? l : t == 1 ? 0 : Math.ceil(l / 2))
       + this + s.substr(0, l - t) : this;
   };
   

5. pad(l, s, t)

   String.prototype.pad = function(l, s, t){
       return s || (s = " "), (l -= this.length) > 0 ? (s = new Array(Math.ceil(l / s.length)
           + 1).join(s)).substr(0, t = !t ? l : t == 1 ? 0 : Math.ceil(l / 2))
           + this + s.substr(0, l - t) : this;
   };
   

6. pad(len, str)

   String.prototype.pad = function(len, str){
       var output = this.valueOf();
       while(output.length < len){
           output = str + output;
       return output;
   };
   

7. pad(length)

   String.prototype.pad = function(length) {
     var str = this.toString();
     while (str.length < length) {
       str = '0' + str;
     return str;
   

8. pad(length, character)

   String.prototype.pad = function(length, character)
       if (!character)
       character = " ";
     var str = this;
       while (str.length < length)
           str += character;
       return str;
   };
   ...
   

9. pad(length, character, direction)

   String.prototype.pad = function(length, character, direction) {
     var self = this;
     var STR_PAD_LEFT = 1;
     var STR_PAD_RIGHT = 2;
     var STR_PAD_BOTH = 3;
       if (typeof(length) == "undefined") { var length = 0; }
       if (typeof(character) == "undefined") { var character = ' '; }
       if (typeof(direction) == "undefined") { var direction = STR_PAD_RIGHT; }
       if (length + 1 >= self.length) {
   ...