Nodejs String Camel Case camelCase()

Method Source Code

// Camel Case Method 

/*//from   w  w w . j a  va  2 s .  c  om
   Write simple .camelcase method (camel_case function in PHP) for strings. All words must have their first letter capitalized without spaces.
*/

// Solution

String.prototype.camelCase=function(){
    var a = this.split(' ');
    return a.map(function(val){
      return val.replace(/^[a-z]/, camelCaseFirstLetter);
    }).join('');
}

function camelCaseFirstLetter(a){
  return a.toUpperCase();
}

Related

1. camelCase()

   'use strict';
   String.prototype.camelCase = function () {
     return this.toString().split(' ').map(function(word){
        return word.charAt(0).toUpperCase() + word.slice(1);
      }).join('');
   console.log("sad sdsd".camelCase());
   

2. camelCase()

   String.prototype.camelCase=function(){
     var x = this;
     var res = x.split(' ');
     var d = "";
     for(var i = 0; i < res.length; ++i) {
       if (res[i].length > 0) {
         res[i] = res[i][0].toUpperCase() + res[i].slice(1)
         d = d + res[i];
     return d;
   

3. camelCase()

   String.prototype.camelCase = function() { 
       return this.toLowerCase().replace(/[_-](.)/g, function(match, group1) {
           return group1.toUpperCase();
       });
   

4. camelCase()

   String.prototype.camelCase = function() {
     return this.replace( /(\_[a-z])/g, function( $1 ) {return $1.toUpperCase().replace( "_", "" );} );
   };
   

5. camelCase()

   String.prototype.camelCase = function() {
       return this
           .replace(/\s(.)/g, function($1) { return $1.toUpperCase(); })
           .replace(/\s/g, '')
           .replace(/^(.)/, function($1) { return $1.toLowerCase(); });
   

6. camelCase()

   String.prototype.camelCase=function(){
     var strArr = Array.from(this).join('').split(' ');
     return strArr.map( word => {
       var uppCase = word.charAt(0).toUpperCase();
       var replaced = word.charAt(0);
       word = word.replace( replaced, uppCase );
       return word;
     }).join('');
   

7. camelCase()

   String.prototype.camelCase=function(){
       return this.split(' ').map((word)=>{return word.charAt(0).toUpperCase() + word.slice(1)}).join('')
   

8. camelCase()

   String.prototype.camelCase=function(){
   console.log(this);
      return this.length == 0 ? "" :this.trim()
                                    .split(" ")
                                      .map(a => a[0].toUpperCase()+a.substring(1,a.length))
                                       .join("");
   

9. camelCase()

   String.prototype.camelCase = function () {
     return this
       .split(' ')
       .map((word) =>
         word
           .split('')
           .map( (letter, index) => (index === 0)
            ? letter.toUpperCase()
            : letter )
   ...