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Javascript First exercise #18

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fa44cd7
Javascript First exercise
AnuKodeRepo Sep 9, 2026
b5e7cf4
Errors-Debugging Exercise1
AnuKodeRepo Sep 14, 2026
78b4cfb
Errors-debugging exercise2
AnuKodeRepo Sep 14, 2026
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24 changes: 19 additions & 5 deletions tutorials/01-basic-syntax/code-execution/exercises/practice.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,16 +7,20 @@
// JAVA
// JAVASCRIPT

word = word + "PT";
word = word + "VA";
word = word + "RI";
word = word + "SC";
let word = "";

word = word + "JA";
word = word + "VA";

let word = "";
console.log(word);

word = word + "SC";
word = word + "PT";
word = word + "RI";

console.log(word);


// Run the file before moving on to ensure you get the expected result.

/** DATA MANIPULATION **/
Expand All @@ -35,13 +39,23 @@ console.log(word);

// IMPORTANT: Do not edit the 6 existing lines of code; add NEW lines of code only.


let num1 = 56;
let num2 = 121;
let num3 = 73;
let num4 = 24;
let num5 = 88;
let num6 = 95;

num1 = num1-5;
num2 = num2+1;
num3 = num3+1;
num4 = num4-5;
num5 = num5-5;
num6 = num6+1;

console.log(num1+num2+num3+num4+num5+num6);

// All done? Great job! Understanding how JavaScript executes and evaluates code is
// important. Keep these principles in mind as you solve future problems!

Expand Down
7 changes: 4 additions & 3 deletions tutorials/03-errors-and-debugging/syntax-and-runtime-errors/exercises/practice1.js
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Expand Up @@ -13,17 +13,18 @@ let fuel = 90;
TODO: Un-comment the line below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// console.log("Fuel level is " fuel + '%");
console.log("Fuel level is "+fuel +"%");

/** EXERCISE 2: THE RUNTIME CRASH **/

/*
TODO: Un-comment the line below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// console.log(navCoordinate);

let navCoordinate = "Sector-7G";
console.log(navCoordinate);

/** EXERCISE 3: THE TYPO BLUNDER **/

Expand All @@ -33,7 +34,7 @@ let oxygen = 100;
TODO: Un-comment the line below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// console.log(oxygen.toString);
console.log(oxygen.toString());

// HINT: toString is not a property — it's a method! Do a little research
// on the difference if you need to.
36 changes: 20 additions & 16 deletions tutorials/03-errors-and-debugging/syntax-and-runtime-errors/exercises/practice2.js
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Expand Up @@ -20,7 +20,7 @@ console.log("--- INITIALIZING MISSION CONTROL ---");
TODO: Un-comment the line below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// let pilotName = input.question("Enter Pilot Name: ";
let pilotName = input.question("Enter Pilot Name: ");

// --- 2. ENGINE STATUS CHECK ---

Expand All @@ -31,13 +31,15 @@ let checkEngines = input.question("Perform engine diagnostic? (Y/N): ");
TODO: Un-comment the if/else statement below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// if (checkEngines === "Y") {
// console.log(`Engine Health at ${engineHealth}%`);
// engineStatus = "Ready";
// let engineHealth = 100;
// } else {
// console.log("Skipping engine diagnostic...");
// }

if (checkEngines === "Y" || checkEngines === "y") {
let engineHealth = 100;
console.log(`Engine Health at ${engineHealth}%`);
engineStatus = "Ready";

} else {
console.log("Skipping engine diagnostic...");
}

// --- 3. CARGO WEIGHT CALCULATION ---

Expand All @@ -47,15 +49,15 @@ console.log("\n--- CARGO BAY CHECK ---");
TODO: Un-comment the line below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// let crateCount = input.questionInt "How many crates are being loaded? " ;
let crateCount = input.questionInt("How many crates are being loaded? ") ;

/*
TODO: Un-comment the three lines of code below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// let weightPerCrate = 50;
// let totalWeight = crateCount * weightPerCrate;
// console.log('Total Cargo Weight: ${totalWeight}kg');
let weightPerCrate = 50;
let totalWeight = crateCount * weightPerCrate;
console.log(`Total Cargo Weight: ${totalWeight}kg`);

// --- 4. FINAL LAUNCH LOGIC ---

Expand All @@ -65,7 +67,9 @@ console.log("\n--- FINAL STATUS ---");
TODO: Un-comment the if/else statement below and run the program to see the error message,
then fix the code and re-run to verify.
*/
// if (engineStatus === "Ready" && totalWeight < 1000)
// console.log("All systems GO. Launching " + pilotName + into orbit!");
// } else {
// console.log("Launch ABORTED. Check engine status or cargo weight.");

if (engineStatus === "Ready" && totalWeight < 1000){
console.log("All systems GO. Launching " + pilotName + "into orbit!");
} else {
console.log("Launch ABORTED. Check engine status or cargo weight.");
}