michaelmoss javascript intro

src/michaelmoss/javascript-intro-lab/lab.js

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+// JavaScript Introduction Lab - Completed
+
+// =============================
+// Part 1: Variables
+// =============================
+const myName = "Michael Moss";
+let myAge = 30;
+const favoriteColor = "Blue";
+const likesCoding = true;
+
+console.log("Name:", myName);
+console.log("Age:", myAge);
+console.log("Favorite Color:", favoriteColor);
+console.log("Likes Coding:", likesCoding);
+
+// Check for Understanding (Part 1)
+// 1. A variable is a named container that stores data.
+// 2. let allows reassignment; const does not allow reassignment.
+// 3. console.log() prints output to the console.
+
+// =============================
+// Part 2: Conditionals
+// =============================
+const temperature = 72;
+
+if (temperature < 60) {
+	console.log("It is cold.");
+} else {
+	console.log("It is warm.");
+}
+
+const password = "javascript123";
+
+if (password === "javascript123") {
+	console.log("Access granted");
+} else {
+	console.log("Access denied");
+}
+
+const hour = 15;
+
+if (hour < 12) {
+	console.log("Good morning");
+} else if (hour <= 17) {
+	console.log("Good afternoon");
+} else {
+	console.log("Good evening");
+}
+
+// Check for Understanding (Part 2)
+// 1. An if statement runs code only when a condition is true.
+// 2. Use else if when checking multiple conditions in order.
+// 3. === checks strict equality (same value and same type).
+
+// =============================
+// Part 3: Functions
+// =============================
+function sayHello() {
+	console.log("Hello, welcome to JavaScript.");
+}
+
+function favoriteFood(food) {
+	console.log("My favorite food is " + food + ".");
+}
+
+function multiply(num1, num2) {
+	return num1 * num2;
+}
+
+function isEven(number) {
+	return number % 2 === 0;
+}
+
+sayHello();
+favoriteFood("Pizza");
+console.log("Multiply 6 x 7:", multiply(6, 7));
+console.log("Is 10 even?:", isEven(10));
+console.log("Is 9 even?:", isEven(9));
+
+// Check for Understanding (Part 3)
+// 1. Functions are useful because they let you reuse logic.
+// 2. A parameter is an input variable for a function.
+// 3. console.log prints a value; return sends a value back from a function.
+
+// =============================
+// Part 4: Loops
+// =============================
+console.log("Numbers 1 through 10:");
+for (let i = 1; i <= 10; i++) {
+	console.log(i);
+}
+
+console.log("Even numbers 2 through 20:");
+for (let i = 2; i <= 20; i += 2) {
+	console.log(i);
+}
+
+console.log("Countdown from 5 to 1:");
+let count = 5;
+while (count >= 1) {
+	console.log(count);
+	count--;
+}
+
+console.log("Practice message 5 times:");
+for (let i = 1; i <= 5; i++) {
+	console.log("Practice makes progress");
+}
+
+// Check for Understanding (Part 4)
+// 1. A loop repeats a block of code.
+// 2. Use a for loop when you know how many times to repeat.
+// 3. If the condition never becomes false, the loop can run forever.
+
+// =============================
+// Part 5: Combine Everything
+// =============================
+
+// Mini Challenge 1: Number Checker
+function checkNumber(num) {
+	if (num > 0) {
+		console.log(num + " is positive");
+	} else if (num < 0) {
+		console.log(num + " is negative");
+	} else {
+		console.log("The number is zero");
+	}
+}
+
+checkNumber(10);
+checkNumber(-4);
+checkNumber(0);
+
+// Mini Challenge 2: Countdown Function
+function countdown(start) {
+	for (let i = start; i >= 1; i--) {
+		console.log(i);
+	}
+}
+
+console.log("Countdown from 7:");
+countdown(7);
+
+// Mini Challenge 3: Student Progress Checker
+const studentName = "Michael";
+const score = 88;
+
+function checkStudentProgress(name, currentScore) {
+	if (currentScore >= 90) {
+		console.log(name + ": Excellent work");
+	} else if (currentScore >= 75) {
+		console.log(name + ": Good job");
+	} else {
+		console.log(name + ": Keep practicing");
+	}
+}
+
+checkStudentProgress(studentName, score);
+
+// Mini Challenge 4: Class Roster
+const classRoster = ["Ava", "Noah", "Liam", "Emma", "Sophia"];
+
+console.log("Class Roster:");
+for (let i = 0; i < classRoster.length; i++) {
+	console.log(classRoster[i]);
+}
+
+// =============================
+// Reflection Questions
+// =============================
+// 1. Which topic felt easiest for you?
+//    variables felt easiest because they make code organized and reusable.
+// 2. Which topic felt most challenging?
+//    Conditionals with multiple branches can be challenging at first.
+// 3. How do variables, conditionals, functions, and loops work together in a program?
+//    Variables store data, conditionals make decisions, functions organize reusable logic,
+//    and loops repeat logic to process data efficiently.
+// 4. What is one question you still have about JavaScript?
+//    How do asynchronous functions (async/await) work in real applications?
+