This solution is generated by ChatGPT, correctness is not guaranteed.

AI solution for JavaScript Quiz on
93. string

The code below outputs:

The reason for this is that although a is declared as a string, strings in JavaScript are immutable, meaning that once a string value is assigned to a variable, its contents cannot be changed. Therefore, attempting to modify a's first character with a[0] = 'c' has no effect, and the original value of a, "", remains unchanged when logged to the console.