Nodejs String Padding Right padRight(l,c)

Method Source Code

String.prototype.padRight = function(l,c) {
    var m = l;//  w  w w . j a v a2  s.c  o m
    if(this.length > m) {
        m = ((this.length % m) + 1) * m;
    }
    return this+Array(m-this.length+1).join(c||" ");
};

var str = 'TextMustBe16Bytes';
console.log(
    str.padRight(16, '~').length
);

Related

1. padRight(count, character)

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

2. padRight(count, character)

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

3. padRight(count, character)

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

4. padRight(count, character)

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

5. padRight(count, character)

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

6. padRight(max, c)

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

7. padRight(n, c)

   String.prototype.padRight = function(n, c) {
     var len = this.length;
     ch = c || ' ';
     if (n <= len) {
       return this;
     else {
       var s = this;
       for (var i=0; i < n - len; i++) {
   ...
   

8. rpad(character, count)

   String.prototype.rpad = function(character, count) {
     var ch = character || "0";
     var cnt = count || 2;
     var s = "";
     while (s.length < (cnt - this.length)) { s += ch; }
     s = s.substring(0, cnt-this.length);
     return this+s;
   

9. rpad(count, pad)

   String.prototype.rpad = function(count, pad) {
       pad = pad || '0';
       str = this + '';
       return str.length >= count ? str : str + new Array(count - str.length + 1).join(pad);
   };