Multiple choice

Which of the following tasks CAN NOT be performed by JavaScript?

  1. Detecting client browser information.

  2. Validating user input.

  3. Handling date and time.

  4. Mathematical calculations on client system.

  5. Access files on the client system.

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

JavaScript can not directly access files on the user's system the only exception is the access to the browser's cookie files.