Impara Avoiding Infinite Loops | Applying Logic and Writing Clean Code

When you write code that repeats actions, you want it to eventually stop. An infinite loop is like getting stuck in a revolving door: you keep going around and around, but never find the exit. In programming, this happens when a loop never meets its stopping condition, causing your program to run forever or until it crashes. Understanding why infinite loops happen is important for writing safe and reliable code.

// Example of an infinite loop:
let counter = 1;
while (counter < 5) {
  // This line is missing: counter++;
  console.log("Counter is: " + counter);
}
// This loop will never end because 'counter' is never updated.


              123456
            
// Fixed version:
let safeCounter = 1;
while (safeCounter < 5) {
  console.log("Counter is: " + safeCounter);
  safeCounter++; // Now the counter changes, and the loop will stop at 5
}

1. Which change will prevent the following loop from running forever?

2. Fill in the blank to ensure this loop stops after printing numbers 1 to 4.

Tutto è chiaro?

Grazie per i tuoi commenti!

Sezione 3. Capitolo 3

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// Example of an infinite loop:
let counter = 1;
while (counter < 5) {
  // This line is missing: counter++;
  console.log("Counter is: " + counter);
}
// This loop will never end because 'counter' is never updated.


              123456
            
// Fixed version:
let safeCounter = 1;
while (safeCounter < 5) {
  console.log("Counter is: " + safeCounter);
  safeCounter++; // Now the counter changes, and the loop will stop at 5
}

1. Which change will prevent the following loop from running forever?

2. Fill in the blank to ensure this loop stops after printing numbers 1 to 4.

Tutto è chiaro?

Grazie per i tuoi commenti!

Sezione 3. Capitolo 3