Nodejs String Padding Left lpad(padString, length)

Method Source Code

String.prototype.lpad = function(padString, length) {
  var str = this;
  while (str.length < length)
      str = padString + str;//from w w  w . j  a v  a 2 s.co m
  return str;
}

Related

1. lpad(len, s)

   String.prototype.lpad = function(len, s) {   
       var a = new Array(this);   
       var n = (len - this.length);   
       for ( var i = 0; i < n; i++) {   
           a.unshift(s);   
       return a.join("");   
   };
   

2. lpad(length, padString)

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

3. lpad(pSize, pCharPad)

   String.prototype.lpad = function(pSize, pCharPad)
     var str = this;
     var dif = pSize - str.length;
     var ch = String(pCharPad).charAt(0);
     for (; dif>0; dif--) str = ch + str;
     return (str);
   

4. lpad(pad, length)

   function fill(num) {
       return (num == 10 ? '' : '0') + num;
   String.prototype.lpad = function(pad, length) {
       var s = this;
       while (s.length < length) {
           s = pad + s;
       return s;
   ...
   

5. lpad(padLength, padString)

   String.prototype.lpad = function(padLength, padString){
       var s = this;
       while(s.length < padLength)
           s = padString + s;
       return s;
   

6. lpad(padString, length)

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

7. lpad(padString, length)

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

8. lpad(padString, length)

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

9. lpad(padString, length)

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