Finished JavaScript Intro Lab

jaydenandrews/lab.js

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+// Practice 1
+let name = "Jayden";
+let age = 24;
+let favoriteColor = "red";
+let likesCoding = true;
+
+console.log("Name: " + name);
+console.log("Age: " + age);
+console.log("Favorite Color: " + favoriteColor);
+console.log("Likes Coding: " + likesCoding);
+
+/*
+Check for Understaning
+
+1. What is a variable?
+
+A variable is a named container that stores information.
+
+2. What is the difference between let and const?
+
+Let is used when a variables value can change, while const is used when a variable's value should not change.
+
+3. What does console.log() do?
+
+console.log() is a function that outputs information to the console.
+*/
+
+// Practice 2
+
+// Task A
+let temperature = 30;
+
+if (temperature < 60) {
+    console.log("It is cold.");
+} else {
+    console.log("It is warm.");
+}
+
+// Task B
+let password = "javascript123"
+
+if (password == "javascript123") {
+    console.log("Access granted");
+} else {
+    console.log("Access denied");
+}
+
+// Task C
+let hour = 15;
+
+if (hour < 12) {
+    console.log("Good morning");
+} else if (hour < 18) {
+    console.log("Good afternoon");
+} else {
+    console.log("Good evening");
+}
+
+/* 
+Check for Understanding
+
+1. What is the purpose of an if statement?
+
+An if statement is used when we want to execute a block of code only if a certain condition is true.
+
+2. When would you use else if?
+We would use an else if when we have multiple conditions to check, and we want to execute different blocks of code based on which condition is true.
+
+3. What does === check for?
+The === operator checks for strict equality, meaning it checks if two values are equal and of the same data type.
+*/
+
+// Practice 3
+
+// Task A
+function sayHello() {
+    console.log("Hello!");
+}
+sayHello();
+
+// Task B
+function favoriteFood(food) {
+    console.log("My favorite food is " + food + ".");
+}
+favoriteFood("pizza");
+
+// Task C
+function multiply(a, b) {
+    return a * b;
+}
+let result = multiply(5, 3);
+console.log("The result is: " + result);
+
+// Task D
+function isEven(number) {
+    return number % 2 === 0;
+}
+console.log(isEven(4)); // true
+console.log(isEven(7)); // false
+
+/* 
+Check for Understanding
+1. Why are functions useful?
+Functions are useful because they allow us to reuse code and organize it into logical blocks.
+
+2. What is a parameter?
+A parameter is a value that a function receives. It is used to pass information into a function.
+
+3. What is the difference between console.log() and return?
+console.log() outputs a value to the console, while return sends a value back from the function to where it was called.
+*/
+
+// Practice 4
+
+// Task A
+for (let i = 1; i <= 10; i++) {
+    console.log(i);
+}
+
+// Task B
+for (let i = 2; i <= 20; i += 2) {
+    console.log(i);
+}
+
+// Task C
+let j = 5;
+while (j >= 1) {
+    console.log(j);
+    j--;
+}
+
+// Task D
+for (let k = 0; k < 5; k++) {
+    console.log("Practice makes progress");
+}
+
+/*
+Check for Understanding
+1. What is a loop used for?
+A loop is used to repeat a block of code multiple times until a certain condition is met.
+
+2. When might you use a for loop?
+You might use a for loop when you know how many times you want to repeat a block of code.
+
+3. What could happen if a loop condition never becomes false?
+If a loop condition never becomes false, the loop could run indefinitely.
+*/
+
+// Practice 5
+
+// 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(num + " is zero.");
+    }
+}
+
+checkNumber(10);
+checkNumber(-5);
+checkNumber(0);
+
+// Mini Challenge 2: Countdown Function
+
+function countdown(n) {
+    for (let i = n; i > 0; i--) {
+        console.log(i);
+    }
+}
+
+countdown(5);
+
+// Mini Challenge 3: Student Progress Checker
+let studentName = "Jayden";
+let score = 91;
+
+function checkProgress(name, score) {
+    if (score >= 90) {
+        console.log("Excellent work, " + name + "!");
+    } else if (score >= 75) {
+        console.log("Good job, " + name + "!");
+    } else {
+        console.log("Keep practicing, " + name + "!");
+    }
+}
+checkProgress(studentName, score);
+
+// Mini Challenge 4: Class Roster 
+let classRoster = ["Bryant", "Mesheik", "Henrrietta", "Derwin", "Corey"];
+
+function printRoster(roster) {
+    for (let i = 0; i < roster.length; i++) {
+        console.log(roster[i]);
+    }
+}
+printRoster(classRoster);
+
+// Stretch Goals
+
+// Stretch 1
+function gradeCalculator(grade) {
+    if (grade >= 90) {
+        return "A";
+    } else if (grade >= 80) {
+        return "B";
+    } else if (grade >= 70) {
+        return "C";
+    } else if (grade >= 60) {
+        return "D";
+    } else {
+        return "F";
+    }
+}
+console.log(gradeCalculator(95)); // A
+console.log(gradeCalculator(85)); // B
+console.log(gradeCalculator(75)); // C
+console.log(gradeCalculator(65)); // D
+console.log(gradeCalculator(55)); // F
+
+// Stretch 2
+function divisibleByThree() {
+    for (let i = 1; i < 31; i++) {
+        if (i % 3 === 0) {
+            console.log(i);
+        }
+    }
+}
+divisibleByThree();
+
+// Stretch 3
+function printNTimes(name, n) {
+    for (let i = 0; i < n; i++) {
+        console.log(name);
+    }
+}
+printNTimes("Jayden", 5);
+
+// Stretch 4
+function evenOrOddTenTimes(num) {
+    for (let i = 0; i < 10; i++) {
+        if (num % 2 === 0) {
+            console.log(num + " is even.");
+        } else {
+            console.log(num + " is odd.");
+        }
+    }
+}
+evenOrOddTenTimes(4);
+evenOrOddTenTimes(7);
+
+// Reflection Questions
+
+/*
+1. Which topic felt easiest for you?
+The easiest topic for me were variables, as I feel like they are easy to work with.
+
+2. Which topic felt most challenging?
+The most challenging topic for me was remembering the syntax of function declarations.
+
+3. How do variables, conditionals, functions, and loops work together in a program?
+Variables are used to store information, conditionals allow us to make decisions based on that information, 
+functions allow us to organize our code into reusable blocks, and loops allow us to repeat code multiple times. 
+Together, they help us create programs to complete complex tasks.
+
+4. What is one question you still have about JavaScript?
+Is there ever a reason to code in it other than for web development?
+*/