Question 26 Which of the following add a button element into HTML file? o Change Rotation Directio Change Rotation Directio Change Rotation Directio Question 27

Question 26 Which of the following add a button element into HTML file? o Question 27 Check all features that shall be included in a good program. A variety of interactive devices on the display Feedback to the user A variety ofmethods for entering and displaying informatio Tolerance for user errors Question 28 Consider the following code, which key is pressed to change direction? window.addEventListener("keydown", function() { switch (event.keyCode) { case 49: direction = !direction; break; case 50: delay /= 2.0; break; case 51: delay *= 2.0; break; Question 29 Consider the following code: On HTML: speed 0 100 In application: document.getElementById("slide").onchange = function() { delay = event.src Element.value; } If the slide is in the middle, what is the number of frames per second? Please just enter a number such as 10. Question 30 1 points Save Answer When a click or mouse event occurs, the returned event object includes the val-ues event.Client and event.Clienty, which give the position of the mouse in ____ coordinates. (Choose best answer) window Cartesian clip canvas