Nodejs Utililty Methods String Capitalize

String.prototype.capitalize = function() {
  sentence = this.split(' ');
  for(word in sentence) {
    sentence[word] = sentence[word].ucfirst();
  return sentence.join(' ');

String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.slice(1);
var getCurrentDate = function() {
    var today = new Date();
    var dd = today.getDate();
    var mm = today.getMonth()+1; 
    var yyyy = today.getFullYear();
    if(dd<10) {
...

String.prototype.capitalize = function() {
    return this.replace(/\b\w/g, l => l.toUpperCase())

String.prototype.capitalize = function() {
  return this.replace(/([\s\-_]|^)./g, function (match) {
    return match.toUpperCase();
  });

String.prototype.capitalize = function()
  this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();

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

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

String.prototype.capitalize = function(){
  if( this.length === 0 ) return ""
  return this.substr( 0, 1).toUpperCase() + this.substr( 1)

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

String.prototype.capitalize = function() {
    return this.split(' ').map(function(item) {
        if (!item.length) return '';
        return item[0].toUpperCase() + item.substr(1);
    }).join(' ');
};
Storage.prototype.setObject = function(key, value) {
    this.setItem(key, JSON.stringify(value));
};
...