Nodejs String Padding Left padLeft(count, ch)

Method Source Code

String.prototype.padLeft = function(count, ch) {
     var char = ch || ' ';
     var result = new Array(count + 1).join(char);
     return result + this;
 };/*from www. j  a  va 2  s .  c o  m*/

Related

1. padLeft(ch, n)

   'use strict';
   String.prototype.padLeft = function(ch, n) {
     let myString = '';
     while(myString.length < n - this.length) {
       myString += ch;
     myString += this;
     return myString;
   };
   ...
   

2. padLeft(ch, n)

   String.prototype.padLeft = function(ch, n) {
     if(this.length < n) {
       var diff = n - this.length;
       var tempArr = this.split('');
       var tmp;
       for(var i = 0; i < diff; i++) {
         tempArr.unshift(ch);
       tmp = tempArr.toString().replace(/,/g, '');
   ...
   

3. padLeft(char, length)

   String.prototype.padLeft = function (char, length) {
       var len = this.length;
       if (len === 0) return '';
       var str = this;
       while (len < length) {
           str = char + str;
           len++;
       return str;
   ...
   

4. padLeft(character, length)

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

5. padLeft(character, length)

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

6. 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();
   

7. 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;
   };
   

8. 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();
   };
   

9. 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;