Nodejs String to Upper Case upperFirstLetter()

Method Source Code

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

Related

1. upWord()

   String.prototype.upWord = function (){
     var words = this.split(" ");
     var newWords = words.map(function(elem,index) {
       return (elem[0].toUpperCase() + elem.slice(1));
     })
     return newWords.join(" ");
   var str = "the quick fox jump over the lazy dog";
   console.log(str.upWord());
   ...
   

2. upcase()

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

3. upcase()

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

4. upperCaseFirst()

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

5. upperFirstChar()

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

6. upperInitial()

   String.prototype.upperInitial = function() {
     return this.replace(/(^|\s+)\w/g, function(s) {
       return s.toUpperCase();
     });
   };
   

7. uppercase()

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

8. uppercaseFirstLetter()

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