>>> "hello world".title()

'Hello World'

>>> u"hello world".title()

u'Hello World'

function capFirst(str) {

     return str[0].toUpperCase() + str.slice(1);

 }

​

console.log(capFirst('hello'));

//output 

//Hello

const string = "tHIS STRING'S CAPITALISATION WILL BE FIXED."

const string = string[0].toUpperCase() + string.slice(1)

function capitalizeFirstLetter(str) {

  return str.charAt(0).toUpperCase() + str.slice(1);

}

​

// Example usage

const myString = "hello world";

const capitalizedString = capitalizeFirstLetter(myString);

console.log(capitalizedString); // Output: "Hello world"

function capitalizeFirstLetter(str) {

  return str.charAt(0).toUpperCase() + str.slice(1);

}

​

// Example usage

const text = "hello world";

const capitalizedText = capitalizeFirstLetter(text);

console.log(capitalizedText); // Output: "Hello world"

function capitalizeFirstLetter(name) {

    return name.replace(/^./, name[0].toUpperCase())

}

const lower = 'this is an entirely lowercase string';

const upper = lower.charAt(0).toUpperCase() + lower.substring(1);

​

var name = prompt("What is your name");

firstLetterUpper = name.slice(0,1).toUpperCase();

​

alert("Hello " + firstLetterUpper + name.slice(1, name.length).toLowerCase());

const name = 'flavio'

const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)

var str = "hello world";

str = str.toLowerCase().replace(/\b[a-z]/g, function(letter) {

    return letter.toUpperCase();

});

alert(str); //Displays "Hello World"