Nodejs String Padding Left padLeft(totalLength, value)

Method Source Code

String.prototype.padLeft = function (totalLength, value) {
   if (this.length >= totalLength)
      return this;

   var str = this;
   while (str.length < totalLength)
      str = value + str;/*from ww  w.j av  a  2s.  c om*/
   return str;
};

Related

1. padLeft(pad, len)

   String.prototype.padLeft = function (pad, len)
     if (typeof(len) == "undefined") { var len = 0; }
     if (typeof(pad) == "undefined") { var pad = ' '; }
     if (len + 1 >= this.length)
         str = Array(len + 1 - this.length).join(pad) + this;
       return str;
   ...
   

2. padLeft(padString,length)

   String.prototype.padLeft = function(padString,length){
       var str = this;
       while (str.length < length)
           str = padString + str;
       return str;
   

3. padLeft(paddingValue)

   String.prototype.padLeft = function (paddingValue) {
     return String(paddingValue + this).slice(-paddingValue.length);
   };
   

4. padLeft(size, char)

   String.prototype.padLeft = function (size, char) {
       if (size === 0) {
           return '';
       return (Array(size + 1).join(char) + this).slice(-size);
   };
   

5. padLeft(size, prefix)

   (function(){
   String.prototype.padLeft = function(size, prefix) {
       prefix = prefix || " ";
       var s = ''+this;
       while (s.length < size) s = prefix + s;
       return s;
   };
   Math.randInt = function(min, max){
     return Math.floor(Math.random() * (max - min + 1)) + min;
   ...
   

6. padl(ch, len)

   'use strict';
   String.prototype.padl = function(ch, len) {
       var s = this;
       while (s.length < len) {
           s = ch + s;
       return s;
   };
   

7. padl(ch, len)

   String.prototype.padl = function(ch, len) {
       var s = this;
       while (s.length < len) {
           s = ch + s;
       return s;
   };
   

8. paddingLeft(paddingValue)

   String.prototype.paddingLeft = function(paddingValue)
     return String(paddingValue + this).slice(-paddingValue.length);
   };
   

9. leftPad(character, totalLength)

   String.prototype.leftPad = function (character, totalLength) {
       var s = this;
       while (s.length < totalLength)
           s = character + s;
       return s;