Restored Sprint-2 from Main

Author: DamianDL

Sprint-2/1-key-errors/0.js

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+// Predict and explain first...
+//  =============> write your prediction here
+
+// call the function capitalise with a string input
+// interpret the error message and figure out why an error is occurring
+
+function capitalise(str) {
+  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return str;
+}
+
+// =============> write your explanation here
+// =============> write your new code here

Sprint-2/1-key-errors/1.js

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+// Predict and explain first...
+
+// Why will an error occur when this program runs?
+// =============> write your prediction here
+
+// Try playing computer with the example to work out what is going on
+
+function convertToPercentage(decimalNumber) {
+  const decimalNumber = 0.5;
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+console.log(decimalNumber);
+
+// =============> write your explanation here
+
+// Finally, correct the code to fix the problem
+// =============> write your new code here

Sprint-2/1-key-errors/2.js

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+
+// Predict and explain first BEFORE you run any code...
+
+// this function should square any number but instead we're going to get an error
+
+// =============> write your prediction of the error here
+
+function square(3) {
+    return num * num;
+}
+
+// =============> write the error message here
+
+// =============> explain this error message here
+
+// Finally, correct the code to fix the problem
+
+// =============> write your new code here
+
+

Sprint-2/2-mandatory-debug/0.js

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+// Predict and explain first...
+
+// =============> write your prediction here
+
+function multiply(a, b) {
+  console.log(a * b);
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+
+// =============> write your explanation here
+
+// Finally, correct the code to fix the problem
+//  =============> write your new code here

Sprint-2/2-mandatory-debug/1.js

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+// Predict and explain first...
+//  =============> write your prediction here
+
+function sum(a, b) {
+  return;
+  a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+
+// =============> write your explanation here
+// Finally, correct the code to fix the problem
+//  =============> write your new code here

Sprint-2/2-mandatory-debug/2.js

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+// Predict and explain first...
+
+// Predict the output of the following code:
+// =============> Write your prediction here
+
+const num = 103;
+
+function getLastDigit() {
+  return num.toString().slice(-1);
+}
+
+console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+
+// Now run the code and compare the output to your prediction
+// =============> write the output here
+// Explain why the output is the way it is
+// =============> write your explanation here
+// Finally, correct the code to fix the problem
+// =============> write your new code here
+
+// This program should tell the user the last digit of each number.
+// Explain why getLastDigit is not working properly - correct the problem

Sprint-2/3-mandatory-implement/1-bmi.js

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+// Below are the steps for how BMI is calculated
+
+// The BMI calculation divides an adult's weight in kilograms (kg) by their height in metres (m) squared.
+
+// For example, if you weigh 70kg (around 11 stone) and are 1.73m (around 5 feet 8 inches) tall, you work out your BMI by:
+
+// squaring your height: 1.73 x 1.73 = 2.99
+// dividing 70 by 2.99 = 23.41
+// Your result will be displayed to 1 decimal place, for example 23.4.
+
+// You will need to implement a function that calculates the BMI of someone based off their weight and height
+
+// Given someone's weight in kg and height in metres
+// Then when we call this function with the weight and height
+// It should return their Body Mass Index to 1 decimal place
+
+function calculateBMI(weight, height) {
+    // return the BMI of someone based off their weight and height
+}

Sprint-2/3-mandatory-implement/2-cases.js

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+// A set of words can be grouped together in different cases.
+
+// For example, "hello there" in snake case would be written "hello_there"
+// UPPER_SNAKE_CASE means taking a string and writing it in all caps with underscores instead of spaces.
+
+// Implement a function that:
+
+// Given a string input like "hello there"
+// When we call this function with the input string
+// it returns the string in UPPER_SNAKE_CASE, so "HELLO_THERE"
+
+// Another example: "lord of the rings" should be "LORD_OF_THE_RINGS"
+
+// You will need to come up with an appropriate name for the function
+// Use the MDN string documentation to help you find a solution
+// This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase

Sprint-2/3-mandatory-implement/3-to-pounds.js

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+// In Sprint-1, there is a program written in interpret/to-pounds.js
+
+// You will need to take this code and turn it into a reusable block of code.
+// You will need to declare a function called toPounds with an appropriately named parameter.
+
+// You should call this function a number of times to check it works for different inputs

Sprint-2/4-mandatory-interpret/time-format.js

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+function pad(num) {
+  return num.toString().padStart(2, "0");
+}
+
+function formatTimeDisplay(seconds) {
+  const remainingSeconds = seconds % 60;
+  const totalMinutes = (seconds - remainingSeconds) / 60;
+  const remainingMinutes = totalMinutes % 60;
+  const totalHours = (totalMinutes - remainingMinutes) / 60;
+
+  return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
+}
+
+// You will need to play computer with this example - use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit
+// to help you answer these questions
+
+// Questions
+
+// a) When formatTimeDisplay is called how many times will pad be called?
+// =============> write your answer here
+
+// Call formatTimeDisplay with an input of 61, now answer the following:
+
+// b) What is the value assigned to num when pad is called for the first time?
+// =============> write your answer here
+
+// c) What is the return value of pad is called for the first time?
+// =============> write your answer here
+
+// d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
+// =============> write your answer here
+
+// e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
+// =============> write your answer here