Question

What kind of loop is this? var i = 1; do (i); i ; while (i < 10)?

1) For loop
2) While loop
3) Do-while loop
4) Infinite loop

Answer 1

The provided code snippet appears to attempt to represent a do-while loop, but it lacks correct syntax and incrementation for the loop to function properly. Option 4 is correct.

Step-by-step explanation:

The code snippet provided resembles the syntax of a do-while loop, but it has some errors in it that prevent it from being a proper loop. A correct do-while loop in JavaScript should have this structure:

do {
// Code to execute
i++;
} while (i < 10);

In this structure, the code inside the do block would execute at least once before the condition is checked at the while portion of the loop. If the condition is true, the loop will execute again, repeating this process until the condition becomes false.

However, the code snippet provided is not functional and will not execute as a loop in its current form. It needs proper syntax to enclose the loop code and the increment expression for the variable i:

do {
// Code to execute
i++;
} while (i < 10);
Without corrections, it would be considered an infinite loop, since the variable i never changes and the condition in the while portion will always be true. In conclusion, the intention seems to be for it to represent a do-while loop, but the correct answer based on the given code is an infinite loop (option 4).

If taken as is, the loop would be an infinite loop because it doesn't have code that changes the loop's condition.