Nodejs String to Upper Case upWord()

Method Source Code

// Write a JavaScript function that accepts a string as a parameter and converts the first letter of each word of the string in upper case
// Example string : 'the quick brown fox' 
// Expected Output : 'The Quick Brown Fox '
String.prototype.upWord = function (){
   var words = this.split(" ");
   var newWords = words.map(function(elem,index) {
      return (elem[0].toUpperCase() + elem.slice(1));
   })/* w ww . j a va 2  s.c o m*/
   return newWords.join(" ");
}
var str = "the quick fox jump over the lazy dog";
console.log(str.upWord());

Related

1. ucwords()

   String.prototype.ucwords = function() {
       return (this + '').replace(/^([a-z])|\s+([a-z])/g, function ($1) {
         return $1.toUpperCase();
     });
   

2. ucwords()

   String.prototype.ucwords = function () {
     var words = this.split(' ');
     for (var i = 0; i < words.length; i++)
       words[i] = words[i].charAt(0).toUpperCase() + words[i].slice(1);
     return words.join(' ');
   };
   module.exports = function () {
   };
   

3. ucwords()

   String.prototype.ucwords = function(){
     var arr = this.split(' ');
     var str ='';
     arr.forEach(function(v){
       str += v.charAt(0).toUpperCase()+v.slice(1,v.length)+' ';
     });
     return str;
   };
   

4. ucwords()

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

5. ucwords()

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

6. upcase()

   String.prototype.upcase = function () {
     return this.valueOf().toUpperCase();
   };
   

7. upcase()

   String.prototype.upcase = function(){
       return this.toUpperCase();
   };
   

8. upperCaseFirst()

   String.prototype.upperCaseFirst = function() {
     return this.replace(/^./, function(a) {
       return a.toUpperCase();
     });
   };
   

9. upperFirstChar()

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