Variable declaration using var in Javascript - Mini Project: Build & Apply

Variable declaration using var

📖 Scenario: Imagine you are organizing a small party. You want to keep track of the number of guests coming and the name of the party.

🎯 Goal: You will create variables using var to store the party name and the number of guests, then display them.

📋 What You'll Learn

Use var to declare variables

Assign exact values to variables as instructed

Print the variables to show their values

💡 Why This Matters

🌍 Real World

Variables help store information like names and counts in many programs, such as event planners or games.

💼 Career

Understanding variable declaration is a basic skill for any programming job, enabling you to store and manage data.

1

Declare a variable for the party name

Declare a variable called partyName using var and set it to the string "Birthday Bash".

Javascript

// Your code here

Need a hint?

Use var partyName = "Birthday Bash"; to create the variable.

2

Declare a variable for the number of guests

Declare a variable called guestCount using var and set it to the number 15.

Javascript

var partyName = "Birthday Bash";
// Your code here

Need a hint?

Use var guestCount = 15; to create the variable.

3

Create a message using the variables

Declare a variable called message using var and set it to a string that says "Welcome to Birthday Bash! We have 15 guests." by combining partyName and guestCount with string concatenation.

Javascript

var partyName = "Birthday Bash";
var guestCount = 15;
// Your code here

Need a hint?

Use var message = "Welcome to " + partyName + "! We have " + guestCount + " guests."; to create the message.

4

Display the message

Use console.log to print the variable message.

Javascript

var partyName = "Birthday Bash";
var guestCount = 15;
var message = "Welcome to " + partyName + "! We have " + guestCount + " guests.";
// Your code here

Need a hint?

Use console.log(message); to show the message in the console.