Nodejs String Capitalize capitalize()

Method Source Code

/**//from w  w w  .  j  a va2 s  .  c o  m
 * Capitalize the first letter of the string.
 * @returns {string}
 */
String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.substr(1).toLowerCase();
};

Related

1. capitalize()

   String.prototype.capitalize = function () {
     const charArray = this.toLowerCase().split('')
     charArray[0] = charArray[0].toUpperCase()
     return charArray.join('')
   

2. capitalize()

   String.prototype.capitalize = String.prototype.capitalize || function(){
     var split = this.split(' ').filter(Boolean);
     var len = split.length;
     var capitalized_string = '';
     for (var i=0;i<len;i++) {
       capitalized_string = capitalized_string + split[i].charAt(0).toUpperCase() + split[i].slice(1).toLowerCase() + " ";
     return capitalized_string.slice(0, capitalized_string.length-1);
   

3. capitalize()

   String.prototype.capitalize = function () {
       return this.toLowerCase().replace(/(^|\s)([a-z])/g, function (m, p1, p2) {
           return p1 + p2.toUpperCase();
       });
   }; 
   

4. capitalize()

   String.prototype.capitalize = function() {
     var newString = "";
     for (var i = 0; i < this.length; i++) {
       if (i === 0 || this.charAt(i - 1) === " ") {
         newString += this.charAt(i).toUpperCase();
       } else {
         newString += this.charAt(i);
     return newString;
   };
   

5. capitalize()

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

6. capitalize()

   String.prototype.capitalize = function () {
       var str = this.toLowerCase();
       return str.charAt(0).toUpperCase() + str.substr(1);
   };
   

7. capitalize() // eslint-disable-line

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

8. capitalize(all)

   String.prototype.capitalize = function (all) {
     return this.split(/\s+/).map(function(word, i){
       return (i === 0 || all)
         ? word.charAt(0).uppercase() + word.drop(1)
         : word
     }).join(' ')
   };
   

9. capitalize(lower)

   'use strict';
   String.prototype.capitalize = function(lower) {
       return (lower ? this.toLowerCase() : this).replace(
           /(?:^|\s)\S/g,
           function(a) { return a.toUpperCase(); });
   };