JS quiz

  1. 1

    The result of 2 in [3, 5, 7]

  2. 2

    var a = {}; a.constructor = Array;
    What would be the result of typeof a?

  3. 3

    In strict mode, which of following is true

  4. 4

    What is the name of the JS engine used in IE?

  5. 5

    What is the difference between document.querySelectorAll('div') and document.getElementsByTagName('div')?

  6. 6

    What is the problem with var a = b = 5;?