Nodejs Utililty Methods String Capitalize

String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.slice(1);
};

String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.substr(1).toLowerCase();
};

String.prototype.capitalize = function () {
    var str = this.toLowerCase();
    return str.charAt(0).toUpperCase() + str.substr(1);
};

String.prototype.capitalize = function() { 
  return this.charAt(0).toUpperCase() + this.slice(1);
};

String.prototype.capitalize = function (all) {
  return this.split(/\s+/).map(function(word, i){
    return (i === 0 || all)
      ? word.charAt(0).uppercase() + word.drop(1)
      : word
  }).join(' ')
};

'use strict';
String.prototype.capitalize = function(lower) {
    return (lower ? this.toLowerCase() : this).replace(
        /(?:^|\s)\S/g,
        function(a) { return a.toUpperCase(); });
};

String.prototype.capitalize = function(lower) {
    return (lower ? this.toLowerCase() : this).replace(/(?:^|\s)\S/g, function(a) { return a.toUpperCase(); });
};

String.prototype.capitalize = function(n) {
  return this.charAt(n).toUpperCase() + this.slice(n + 1);
String.prototype.format = function(n) {
  return this.charAt(n).toUpperCase() + this.slice(n + 1);

'use strict';
String.prototype.capitalize = function(normalise) {
    return (normalise ? this.toLowerCase() : this).replace(/(?:^|\s)\S/g, function(a) { return a.toUpperCase(); });
};

String.prototype.capitalize = function(separator) {
  var capitalized = "";
  var split = this.split(separator||'.');
  split.forEach(function(part){
    capitalized += part.charAt(0).toUpperCase()+part.slice(1);
  });
  return capitalized;
};