Nodejs Utililty Methods String Capitalize

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

var ID_DELIMITER = '-';
function sanitizeString( input ) {
    return input.split( /\W/g )[1];
String.prototype.toCapitalCase = function( allCapsWordLength ) {
    if ( isNaN( parseInt( allCapsWordLength ) ) ) {
        allCapsWordLength = 3;
    var words = this.split(' ');
...

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

String.prototype.ucFirst = function() {
    var str = this;
    if(str.length) {
        str = str.charAt(0).toUpperCase() + str.slice(1);
    return str;
};

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

String.prototype.ucFirst = function()
    return this.charAt(0).toUpperCase() + this.substr(1);

String.prototype.ucFirst = function(){
    var string_array = this.split(' ')
    _.each(string_array,function(word, key){
            var word_array = word.split('')
            var fChar = word_array.shift()
            var ucFWord = fChar.toUpperCase()+word_array.join('');
            string_array[key] = ucFWord
    })
    return string_array.join(' ')
...

String.prototype.ucFirst = function() {
  return this.substr(0, 1).toUpper() + this.substr(1);
};

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

String.prototype.ucFirst = function(){
  result = this.replace(/^\w/g, function(x){
    return x.toUpperCase();
  });
  return result;
};