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What is the expected output for the following code?var i = 10;switch(i) { case 10: i+=2; case 12: i+=5; case 17: i+=4; default: i+=3;}console.log(i)

Question

What is the expected output for the following code?var i = 10;switch(i) { case 10: i+=2; case 12: i+=5; case 17: i+=4; default: i+=3;}console.log(i)

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Solution

The expected output for the given code is 24. Here's how:

  1. The variable i is initially set to 10.
  2. The switch statement checks the value of i.
  3. The first case matches i (which is 10), so i is incremented by 2, making i now 12.
  4. However, there are no break statements, so the code execution continues to the next case.
  5. The next case also matches i (which is now 12), so i is incremented by 5, making i now 17.
  6. Again, due to the lack of break statements, the code execution continues to the next case.
  7. The next case also matches i (which is now 17), so i is incremented by 4, making i now 21.
  8. Finally, because there are no more case statements, the default case is executed, and i is incremented by 3, making i now 24.
  9. The console.log(i) statement then logs the value of i, which is 24.

This problem has been solved

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