JSFiddle - React, Tailwind, and code Playground

by REPLY2SAGAR

JavaScript

let string1 = 'Hello';
let string2 = "World";
let string3 = `Hello World`;

let greeting = string1 + ' ' + string2;
console.log(greeting); // Output: Hello World

// Using template literals
let greeting2 = `${string1} ${string2}`;
console.log(greeting2); // Output: Hello World

let length = greeting.length;
console.log(length); // Output: 11

let firstLetter = greeting[0]; // H
console.log(firstLetter);


let lower = greeting.toLowerCase();
console.log(lower); // Output: hello world

let upper = greeting.toUpperCase();
console.log(upper); // Output: HELLO WORLD