Flow Control

Sometimes we need to exit a loop early or skip a part of the code. For this, there are two commands: break and continue.

1. break (Stop!)

Completely stops the loop. The program moves to the next line of code below the loop.

while (true) {
  let value = prompt("Enter a number (or leave empty to exit)");
  if (!value) break; 
}

2. continue (Skip a step)

Stops only the CURRENT iteration and immediately moves to the next one (it does the step first, then checks the condition).

for (let i = 0; i < 5; i++) {
  if (i == 2) continue; // Skip the number 2
  alert(i); // 0, 1, 3, 4
}