Nodejs String Padding Left padLeft(size, prefix)

Method Source Code

(function(){//from ww  w  .  j a va2 s .  c  om

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;
};

Math.cuid = function(){
    var t = Math.floor((new Date()).getTime()/1000),
        r = (Math.random() * 100000000),
        lb = Math.floor(Math.random() * 15);
    
    r = (r << 4) | lb;
    return t.toString(16) + r.toString(16).padLeft(8, '0');
};

var EXPIRES = 'Sun, 24-Mar-2024 11:11:11 GMT';
window.saveCookie = saveCookie;
function saveCookie(k, v, expires){
    expires = expires || EXPIRES;
    document.cookie = (k+'='+v+'; expires='+expires+';');
    return v;
}

window.cookieKV = fromKV(document.cookie, '; ');

})();

Related

1. padLeft(n, str)

   String.prototype.padLeft = function(n, str) {
     return Array(n - String(this).length + 1).join(str || '0') + this;
   

2. 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;
   ...
   

3. padLeft(padString,length)

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

4. padLeft(paddingValue)

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

5. padLeft(size, char)

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

6. padLeft(totalLength, value)

   String.prototype.padLeft = function (totalLength, value) {
     if (this.length >= totalLength)
       return this;
     var str = this;
     while (str.length < totalLength)
       str = value + str;
     return str;
   };
   

7. padl(ch, len)

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

8. padl(ch, len)

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

9. paddingLeft(paddingValue)

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