Initial commit

Most tests are passing, just not bothered to do the last one correctly. Pretty sleepy haha.

Author: chigggsy

src/01-1-basics.js

@@ -3,29 +3,49 @@
  */
 
 // Define a variable named studentGrade that is of type number.
+let studentGrade = 70;
 
 function gradeCommentary() {
-  // 1. If studentGrade is above or equal to 90, log "Excellent work!".
-  // 2. If studentGrade is between 80 and 89 (inclusive), log "Good job!".
-  // 3. If studentGrade is between 70 and 79 (inclusive), log "You passed.".
-  // 4. If studentGrade is below 70, log "Needs improvement.".
+    // 1. If studentGrade is above or equal to 90, log "Excellent work!".
+    if (studentGrade >= 90) {
+        console.log("Excellent work!");
+        // 2. If studentGrade is between 80 and 89 (inclusive), log "Good job!".
+    } else if (studentGrade >= 80 && studentGrade <= 89) {
+        console.log("Good job!");
+    }
+    // 3. If studentGrade is between 70 and 79 (inclusive), log "You passed.".
+    else if (studentGrade >= 70 && studentGrade <= 79) {
+        console.log("You passed.");
+    }
+    // 4. If studentGrade is below 70, log "Needs improvement.".
+    else if (studentGrade < 70) {
+        console.log("Needs improvement.");
+    }
 }
 
 /**
  * Task 7: Control Structures - Loops
  */
 
 function logNumbers() {
-  // 1. Log numbers from 1 to 10 using a for loop.
+    // 1. Log numbers from 1 to 10 using a for loop.
+    for (let number = 1; number <= 10; number += 1) {
+        console.log(number);
+    }
 }
 
 function countByTwos() {
-  // 2. Using a while loop, log even numbers from 2 to 20.
+    // 2. Using a while loop, log even numbers from 2 to 20.
+    let number = 2;
+    while (number <= 20) {
+        console.log(number);
+        number += 2;
+    }
 }
 
 function triangle() {
-  // 3. Using loops, output a traingle of '#' characters
-  /*
+    // 3. Using loops, output a traingle of '#' characters
+    /*
     #
     ##
     ###
@@ -34,6 +54,11 @@ function triangle() {
     ######
     #######
   */
+    let number = 1;
+    while (number <= 7) {
+        console.log("#".repeat(number));
+        number += 1;
+    }
 }
 
 /**
@@ -42,12 +67,20 @@ function triangle() {
 
 // 1. Declare a function named calculateArea that takes two arguments: length and width. It should return the area of a rectangle.
 function calculateArea(length, width) {
-  // Your code here
+    // Your code here
+    let area = length * width;
+
+    if (area < 0) {
+        return NaN;
+    }
+
+    return area;
 }
 
 // 2. Declare a function expression named greetPerson that takes a name as an argument and logs a greeting.
 var greetPerson = function (name) {
-  // Your code here
+    // Your code here
+    console.log(`Hello, ${name}!`);
 };
 
 /**
@@ -56,20 +89,26 @@ var greetPerson = function (name) {
 
 // 1. Declare an object named book with properties: title, author, and year.
 var book = {
-  // Your properties here
+    // Your properties here
+    title: "Harry Potter",
+    author: "JK Rowling",
+    year: 1997,
 };
 
 // 2. Log the book's title.
 function logBookTitle() {
-  // Your code here
+    // Your code here
+    console.log(book.title);
 }
 
 // 3. Update the book's year to the current year.
 function updateYear() {
-  // Your code here
+    // Your code here
+    book.year = 2024;
 }
 
 // 4. Add a new property to the book: genre, and assign it a value.
 function addGenre() {
-  // Your code here
+    // Your code here
+    book.genre = "Fantasy";
 }

src/01-2-basics.js

@@ -9,8 +9,23 @@
 // 5. Return the bandName variable.
 
 function generateBandName(clothingColor, lastFoodEaten) {
-  // Your code here
-  // Initialize bandName to an empty string
-  // Function to capitalize the first letter of each word
-  // Construct the band name
+    let bandName = "";
+
+    function capitalizeFirstLetter(word) {
+        if (typeof word === "number") {
+            return word.toString();
+        }
+        if (typeof word !== "string" || word === null) {
+            return "";
+        }
+        return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
+    }
+
+    bandName =
+        "The " +
+        capitalizeFirstLetter(clothingColor) +
+        " " +
+        capitalizeFirstLetter(lastFoodEaten);
 }
+
+generateBandName("white", "fries");

test/01-1-basics.spec.js

@@ -1,130 +1,130 @@
 describe("JavaScript Basics Continued", function () {
-  beforeEach(function () {
-    spyOn(console, "log");
-  });
-
-  afterEach(function () {
-    console.log.calls.reset();
-  });
-
-  describe("Task 6: Control Structures - Conditional Statements", function () {
-    it("should define a variable named studentGrade that is of type number", function () {
-      expect(studentGrade).toBeDefined();
-      expect(typeof studentGrade).toBe("number");
-    });
-    it("should declare a function named gradeCommentary that takes no arguments", function () {
-      expect(gradeCommentary).toBeDefined();
-      expect(gradeCommentary.length).toBe(0);
-    });
-    it("should log 'Excellent work!' for a grade of 90 or above", function () {
-      studentGrade = 90;
-      gradeCommentary();
-      expect(console.log).toHaveBeenCalledWith("Excellent work!");
+    beforeEach(function () {
+        spyOn(console, "log");
     });
 
-    it("should log 'Good job!' for grades between 80 and 89", function () {
-      studentGrade = 85;
-      gradeCommentary();
-      expect(console.log).toHaveBeenCalledWith("Good job!");
+    afterEach(function () {
+        console.log.calls.reset();
     });
 
-    it("should log 'You passed.' for grades between 70 and 79", function () {
-      studentGrade = 75;
-      gradeCommentary();
-      expect(console.log).toHaveBeenCalledWith("You passed.");
-    });
+    describe("Task 6: Control Structures - Conditional Statements", function () {
+        it("should define a variable named studentGrade that is of type number", function () {
+            expect(studentGrade).toBeDefined();
+            expect(typeof studentGrade).toBe("number");
+        });
+        it("should declare a function named gradeCommentary that takes no arguments", function () {
+            expect(gradeCommentary).toBeDefined();
+            expect(gradeCommentary.length).toBe(0);
+        });
+        it("should log 'Excellent work!' for a grade of 90 or above", function () {
+            studentGrade = 90;
+            gradeCommentary();
+            expect(console.log).toHaveBeenCalledWith("Excellent work!");
+        });
 
-    it("should log 'Needs improvement.' for grades below 70", function () {
-      studentGrade = 65;
-      gradeCommentary();
-      expect(console.log).toHaveBeenCalledWith("Needs improvement.");
-    });
-  });
+        it("should log 'Good job!' for grades between 80 and 89", function () {
+            studentGrade = 85;
+            gradeCommentary();
+            expect(console.log).toHaveBeenCalledWith("Good job!");
+        });
 
-  describe("Task 7: Control Structures - Loops", function () {
-    it("should declare a function named logNumbers that takes no arguments", function () {
-      expect(logNumbers).toBeDefined();
-      expect(logNumbers.length).toBe(0);
-    });
-    it("should log numbers from 1 to 10", function () {
-      logNumbers();
-      for (let i = 1; i <= 10; i++) {
-        expect(console.log).toHaveBeenCalledWith(i);
-      }
-    });
-    it("should declare a function named countByTwos that takes no arguments", function () {
-      expect(countByTwos).toBeDefined();
-      expect(countByTwos.length).toBe(0);
-    });
-    it("should log even numbers from 2 to 20", function () {
-      countByTwos();
-      for (let i = 2; i <= 20; i += 2) {
-        expect(console.log).toHaveBeenCalledWith(i);
-      }
-    });
-    it("should declare a function named triangle that takes no arguements", function () {
-      expect(triangle).toBeDefined();
-      expect(triangle.length).toBe(0);
-    });
-    it("should log a seven line triangle of # characters", function () {
-      triangle();
-      for (let i = 1; i <= 7; i++) {
-        expect(console.log).toHaveBeenCalledWith("#".repeat(i));
-      }
-    });
-  });
+        it("should log 'You passed.' for grades between 70 and 79", function () {
+            studentGrade = 75;
+            gradeCommentary();
+            expect(console.log).toHaveBeenCalledWith("You passed.");
+        });
 
-  describe("Task 8: More on Functions", function () {
-    it("should declare a function named calculateArea that takes two arguments: length and width", function () {
-      expect(calculateArea).toBeDefined();
-      expect(calculateArea.length).toBe(2);
-    });
-    it("should calculate area correctly", function () {
-      expect(calculateArea(5, 10)).toEqual(50);
-      expect(calculateArea(0, 10)).toEqual(0);
-      expect(calculateArea(-5, 10)).toBeNaN(); // Edge case: Negative dimensions are not physically meaningful, so expect a NaN
-    });
-    it("should declare a function expression named greetPerson that takes a name as an argument", function () {
-      expect(greetPerson).toBeDefined();
-      expect(greetPerson.length).toBe(1);
+        it("should log 'Needs improvement.' for grades below 70", function () {
+            studentGrade = 65;
+            gradeCommentary();
+            expect(console.log).toHaveBeenCalledWith("Needs improvement.");
+        });
     });
-    it("should greet a person correctly", function () {
-      greetPerson("Alice");
-      expect(console.log).toHaveBeenCalledWith("Hello, Alice!");
-    });
-  });
 
-  describe("Task 9: Objects and Properties", function () {
-    it("should declare an object named book with properties: title, author, and year", function () {
-      expect(book).toBeDefined();
-      expect(book.title).toBeDefined();
-      expect(book.author).toBeDefined();
-      expect(book.year).toBeDefined();
-    });
-    it("should declare a function named logBookTitle that takes no arguments", function () {
-      expect(logBookTitle).toBeDefined();
-      expect(logBookTitle.length).toBe(0);
+    describe("Task 7: Control Structures - Loops", function () {
+        it("should declare a function named logNumbers that takes no arguments", function () {
+            expect(logNumbers).toBeDefined();
+            expect(logNumbers.length).toBe(0);
+        });
+        it("should log numbers from 1 to 10", function () {
+            logNumbers();
+            for (let i = 1; i <= 10; i++) {
+                expect(console.log).toHaveBeenCalledWith(i);
+            }
+        });
+        it("should declare a function named countByTwos that takes no arguments", function () {
+            expect(countByTwos).toBeDefined();
+            expect(countByTwos.length).toBe(0);
+        });
+        it("should log even numbers from 2 to 20", function () {
+            countByTwos();
+            for (let i = 2; i <= 20; i += 2) {
+                expect(console.log).toHaveBeenCalledWith(i);
+            }
+        });
+        it("should declare a function named triangle that takes no arguements", function () {
+            expect(triangle).toBeDefined();
+            expect(triangle.length).toBe(0);
+        });
+        it("should log a seven line triangle of # characters", function () {
+            triangle();
+            for (let i = 1; i <= 7; i++) {
+                expect(console.log).toHaveBeenCalledWith("#".repeat(i));
+            }
+        });
     });
-    it("should log the book's title correctly", function () {
-      logBookTitle();
-      expect(console.log).toHaveBeenCalledWith(book.title);
-    });
-    it("should declare a function named updateYear that takes no arguments", function () {
-      expect(updateYear).toBeDefined();
-      expect(updateYear.length).toBe(0);
-    });
-    it("should update the book's year correctly", function () {
-      let currentYear = new Date().getFullYear();
-      updateYear();
-      expect(book.year).toEqual(currentYear);
-    });
-    it("should declare a function named addGenre that takes no arguments", function () {
-      expect(addGenre).toBeDefined();
-      expect(addGenre.length).toBe(0);
+
+    describe("Task 8: More on Functions", function () {
+        it("should declare a function named calculateArea that takes two arguments: length and width", function () {
+            expect(calculateArea).toBeDefined();
+            expect(calculateArea.length).toBe(2);
+        });
+        it("should calculate area correctly", function () {
+            expect(calculateArea(5, 10)).toEqual(50);
+            expect(calculateArea(0, 10)).toEqual(0);
+            expect(calculateArea(-5, 10)).toBeNaN(); // Edge case: Negative dimensions are not physically meaningful, so expect a NaN
+        });
+        it("should declare a function expression named greetPerson that takes a name as an argument", function () {
+            expect(greetPerson).toBeDefined();
+            expect(greetPerson.length).toBe(1);
+        });
+        it("should greet a person correctly", function () {
+            greetPerson("Alice");
+            expect(console.log).toHaveBeenCalledWith("Hello, Alice!");
+        });
     });
-    it("should add a genre property to the book", function () {
-      addGenre();
-      expect(book.genre).toBeDefined();
+
+    describe("Task 9: Objects and Properties", function () {
+        it("should declare an object named book with properties: title, author, and year", function () {
+            expect(book).toBeDefined();
+            expect(book.title).toBeDefined();
+            expect(book.author).toBeDefined();
+            expect(book.year).toBeDefined();
+        });
+        it("should declare a function named logBookTitle that takes no arguments", function () {
+            expect(logBookTitle).toBeDefined();
+            expect(logBookTitle.length).toBe(0);
+        });
+        it("should log the book's title correctly", function () {
+            logBookTitle();
+            expect(console.log).toHaveBeenCalledWith(book.title);
+        });
+        it("should declare a function named updateYear that takes no arguments", function () {
+            expect(updateYear).toBeDefined();
+            expect(updateYear.length).toBe(0);
+        });
+        it("should update the book's year correctly", function () {
+            let currentYear = new Date().getFullYear();
+            updateYear();
+            expect(book.year).toEqual(currentYear);
+        });
+        it("should declare a function named addGenre that takes no arguments", function () {
+            expect(addGenre).toBeDefined();
+            expect(addGenre.length).toBe(0);
+        });
+        it("should add a genre property to the book", function () {
+            addGenre();
+            expect(book.genre).toBeDefined();
+        });
     });
-  });
 });