meson/gistfile1.txt

example.js · 991 B · JavaScript Raw

1	// 1. Variables and Data Types
2	const greeting = "Hello, JavaScript world!"; // String (cannot be reassigned)
3	let counter = 10; // Number (can be changed)
4	const isLearning = true; // Boolean
5
6	console.log(greeting);
7
8	// 2. A Simple Function
9	// This function takes a name as an input and returns a personalized message
10	function greetUser(userName) {
11	return `Welcome back, ${userName}!`;
12	}
13
14	// Calling the function and saving the result
15	const userMessage = greetUser("Alex");
16	console.log(userMessage);
17
18	// 3. Arrays (Lists) and Loops
19	const programmingLanguages = ["JavaScript", "Python", "C++", "Java"];
20
21	console.log("Here are some popular languages:");
22	// Loop through each item in the array
23	for (const language of programmingLanguages) {
24	console.log(`- ${language}`);
25	}
26
27	// 4. Conditionals (If/Else Statement)
28	if (counter > 5) {
29	console.log("The counter is greater than 5.");
30	} else {
31	console.log("The counter is 5 or less.");
32	}
33