Here you can find the source of capitalizeFirstLetter()
"use strict";//from www .jav a 2s . com String.prototype.capitalizeFirstLetter = function () { return this.charAt(0).toUpperCase() + this.slice(1); };
String.prototype.capitalizeFirst = function(){ return this.charAt(0).toUpperCase() + this.slice(1).toLowerCase(); };
String.prototype.capitalizeFirst = function() return ( this.charAt(0).toUpperCase() + this.slice(1) ); };
String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1);
'use strict'; String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1);
'use strict'; module.exports = function () { }; String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1);
String.prototype.capitalizeFirstLetter = function () { return this.charAt(0).toUpperCase() + this.slice(1).toLowerCase(); };
var log = function(log){ console.log(log); }; String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1); };
String.prototype.capitalizeFirstLetter = function() { return this.charAt(0).toUpperCase() + this.slice(1); }; Array.prototype.randomElement = function () { return this[Math.floor(Math.random() * this.length)]; };
String.prototype.capitalizeFirstLetter = function(){ return this[0].toUpperCase() + this.slice(1);