String concatenation in output in Javascript - Mini Project: Build & Apply

String concatenation in output

📖 Scenario: You are creating a simple program that greets users by combining their first and last names into a full greeting message.

🎯 Goal: Build a program that concatenates strings to create a personalized greeting message and displays it.

📋 What You'll Learn

Create variables to store first and last names

Create a variable to store a greeting prefix

Concatenate the greeting prefix with the full name

Print the final greeting message

💡 Why This Matters

🌍 Real World

Combining strings is useful for creating messages, labels, and user interface text dynamically.

💼 Career

String concatenation is a basic skill needed for web development, scripting, and many programming tasks.

1

Create variables for first and last names

Create two variables called firstName and lastName and assign them the exact string values "John" and "Doe" respectively.

Javascript

// Your code here

Need a hint?

Use const to create variables and assign string values with double quotes.

2

Create a greeting prefix variable

Create a variable called greeting and assign it the exact string value "Hello".

Javascript

const firstName = "John";
const lastName = "Doe";
// Your code here

Need a hint?

Use const greeting = "Hello"; to create the greeting prefix.

3

Concatenate greeting with full name

Create a variable called fullGreeting that concatenates greeting, a space, firstName, a space, and lastName using the + operator.

Javascript

const firstName = "John";
const lastName = "Doe";
const greeting = "Hello";
// Your code here

Need a hint?

Use the + operator to join strings with spaces in between.

4

Print the full greeting message

Use console.log to print the variable fullGreeting.

Javascript

const firstName = "John";
const lastName = "Doe";
const greeting = "Hello";
const fullGreeting = greeting + " " + firstName + " " + lastName;
// Your code here

Need a hint?

Use console.log(fullGreeting); to display the message.