Nodejs String Padding Left padLeft(count, character)

Method Source Code

String.prototype.padLeft = function (count, character) {
    if (typeof (character) === "undefined") {
        character = " ";
    }//  w  w  w.j  a  v a 2s .c  o  m

    return this.length <= count ? Array(count + 1 - this.length).join(character) + this : this.toString();
};

Related

1. padLeft(character, length)

   'use strict';
   String.prototype.padLeft = function (character, length)  {
     return character.repeat(Math.max(0, length - this.length)) + this;
   };
   

2. padLeft(character, length)

   'use strict';
   String.prototype.padLeft = String.prototype.padLeft || function (character, length) {
     return character.repeat(Math.max(0, length - this.length)) + this;
   };
   

3. padLeft(count, ch)

   String.prototype.padLeft = function(count, ch) {
        var char = ch || ' ';
        var result = new Array(count + 1).join(char);
        return result + this;
    };
   

4. padLeft(count, character)

   String.prototype.padLeft = function (count, character) {
       if (typeof (character) === "undefined") character = " ";
       return this.length <= count ? Array(count + 1 - this.length).join(character) + this : this.toString();
   

5. padLeft(count, character)

   String.prototype.padLeft  = function(count, character) {
       var result = "";
       if (character === undefined) {
           character = " ";
       count -= this.length;
       if (count < 0) {
           count = 0;
       var i;
       for (i = 0; i < count; i += 1) {
           result += character;
       result += this;
       return result;
   };
   

6. padLeft(count, character)

   String.prototype.padLeft = function(count, character) {
     var ch = character || ' ';
     var result = '';
     for (var i = 0; i < count; i++) {
       result += ch;
     };
     result += this;
     return result;
   

7. padLeft(count, character)

   String.prototype.padLeft = function(count, character) {
       character = character || ' ';
       return character.repeat(count) + this.toString();
   };
   

8. padLeft(length, char)

   String.prototype.padLeft = function(length, char) {
     return Array(length - this.length + 1).join(char || " ") + this;
   };
   

9. padLeft(max, c)

   if (!String.prototype.padLeft) {
     String.prototype.padLeft = function(max, c) {
       var self = this;
       return new Array(Math.max(0, max - self.length + 1)).join(c || ' ') + self;
     };