Basic Prototype Programming MCQ

1. All arthropods _____.

Note: This Question is unanswered, help us to find answer for this one

2. Design prototyping is also known as ____ prototyping.

Note: This Question is unanswered, help us to find answer for this one

3. A prototype includes ________ in a category. an exemplar includes ________ in the category.

Note: This Question is unanswered, help us to find answer for this one

4. A function prototype is ____.

Note: This Question is unanswered, help us to find answer for this one

5. What does identify method of element do?

Note: This Question is unanswered, help us to find answer for this one

6. Which of the following ways can you use to check whether prototype is loaded or not?

Note: This Question is unanswered, help us to find answer for this one

7. Which of the following methods can you use to make an element droppable?

Note: This Question is unanswered, help us to find answer for this one

8. What will be returned if Event.findElement("click", "div"); cannot find any elements that match the specified tag?

Note: This Question is unanswered, help us to find answer for this one

9. The number of arguments of Try.these() are ___

Note: This Question is unanswered, help us to find answer for this one

10. Function.bind(object); will replace ___ variable in function by "object".

Note: This Question is unanswered, help us to find answer for this one

11. What does match method of element do?

Note: This Question is unanswered, help us to find answer for this one

12. Which of the following functions converts html special characters to their entity equivalents?

Note: This Question is unanswered, help us to find answer for this one

13. Which of the following code snippets moves id1 element?

Note: This Question is unanswered, help us to find answer for this one

14. Which of the following methods allows you to set many style attributes in one call?

Note: This Question is unanswered, help us to find answer for this one

15. Which of the following code snippets is the proper way to define a class that inherits another class?

Note: This Question is unanswered, help us to find answer for this one

16. Consider the following code snippet:
var template = new Template("This is #{framework} version #{version}");
var a = {framework: "Prototype", version: "1.6.1"}
var b = template.evaluate(a);
What is the result of b?

Note: This Question is unanswered, help us to find answer for this one

17. What does $F(element).getValue() return?

Note: This Question is unanswered, help us to find answer for this one

18. Which of the following statements is valid?

Note: This Question is unanswered, help us to find answer for this one

19. How can you stop an event from propagating?

Note: This Question is unanswered, help us to find answer for this one

20. ___ extends event with all of the methods contained in Event.Methods.

Note: This Question is unanswered, help us to find answer for this one

21. The callback function in options of Ajax.Autocomplete() is called ___ the request is actually made

Note: This Question is unanswered, help us to find answer for this one

22.

Consider the following code snippet:
new Effect.Scale(agr1, arg2);
What is arg2 parameter?

Note: This Question is unanswered, help us to find answer for this one

23. If you want to make an Ajax request using xml instead of the regular URL-encoded format, which option parameter do you have to change?

Note: This Question is unanswered, help us to find answer for this one

24. What is the result of the following function?
function a() {
   var x = 10;
 return x.toPaddedString(4);
}

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

25. Which of the following functions returns the element that occurred?

Note: This Question is unanswered, help us to find answer for this one

26. Which of the following objects allows you to monitor Ajax activities?

Note: This Question is unanswered, help us to find answer for this one

27. When is the Ddom:loaded event fired?

Note: This Question is unanswered, help us to find answer for this one

28. What is the result of the following code snippet?
[1, 2, 3, 4, 5].detect(function(n) {return n % 3});

Note: This Question is unanswered, help us to find answer for this one

29. Which of the following effects are core effects?

Note: This Question is unanswered, help us to find answer for this one

30. Which of the given options is the result of the following code snippet?
new Builder.node("div", {className: "error"}, "Error");

Note: This Question is unanswered, help us to find answer for this one

31. If you create a draggable object, but do not create any droppable objects, then the draggable object cannot be moved by drag and drop actions.

Note: This Question is unanswered, help us to find answer for this one

32. Consider the following code snippet:
Element.addMethods({
 : show: function(element) {
 : alert("This is prototype.");
  }
});

What does this code snippet do?

Note: This Question is unanswered, help us to find answer for this one

33. __________ allows more than one effects to occur at the same time.

Note: This Question is unanswered, help us to find answer for this one

34. What is the valid range of $R(1, 10, true);?

Note: This Question is unanswered, help us to find answer for this one

35. Consider the following code snippet:
Sortable.create("id1");
Assume that nodes which id: id11, id12 are children of id1 and nodes which id: id111, id112 are children of id11. Which of the following elements can be sortable?

Note: This Question is unanswered, help us to find answer for this one

36. What is the difference between the names of native browser events and prototype custom events?

Note: This Question is unanswered, help us to find answer for this one

37. Which of the following methods allows you to add a new instance of method to a class after that class has been defined?

Note: This Question is unanswered, help us to find answer for this one

38. What is the result of the following code snippet?
[1, 2, 3, 4, 5].map( function(num) { return num * num; } );

Note: This Question is unanswered, help us to find answer for this one

39. Which of the following is/are a valid callback of core effects?

Note: This Question is unanswered, help us to find answer for this one

40. Which of the following options is/are valid element(s) of the function-Form.Element.present(element)

Note: This Question is unanswered, help us to find answer for this one

41. Consider the following code snippet:
new Effect.Scale("id1", arg2);
Which attribute(s) is id1 element scaled to?

Note: This Question is unanswered, help us to find answer for this one

42. Which of the following statements displays prototype version of Prototype?

Note: This Question is unanswered, help us to find answer for this one

43. The time to complete an effect generally depends on the speed of the computer.

Note: This Question is unanswered, help us to find answer for this one

44. Consider the following code snippet: var s = "; (5).times(function(n) {    s += n; }); alert(s); What does the alert box display?

Note: This Question is unanswered, help us to find answer for this one

45. Which of the following element methods finds siblings of that element?

Note: This Question is unanswered, help us to find answer for this one

46. If the server response time is slow, you may consider increasing the ___ option parameter to reduce the response time.

Note: This Question is unanswered, help us to find answer for this one

47. Which of the following properties holds the number of active requests?

Note: This Question is unanswered, help us to find answer for this one

48. Which of the following parameters is/are valid parameter(s) of Effect.Highlight() method?

Note: This Question is unanswered, help us to find answer for this one

49. Which of the following methods allows you to add class to a class after that class is defined?

Note: This Question is unanswered, help us to find answer for this one

50. What does cleanWhiteSpace method of element do?

Note: This Question is unanswered, help us to find answer for this one

51. What is the result of the following code snippet?
[1, null, 2, false, 3].partition();

Note: This Question is unanswered, help us to find answer for this one

52. PeriodicalUpdater updates an element ___

Note: This Question is unanswered, help us to find answer for this one

53. Which of the following functions updates an existing hash?

Note: This Question is unanswered, help us to find answer for this one

54. Consider the following code snippet:
new Ajax.InPlaceEditor("id1", "save.jsp");
What is the request parameter name of id1 element on server When its value changes?

Note: This Question is unanswered, help us to find answer for this one

55. What does the statement $("item1", "item2", "item3"); return?

Note: This Question is unanswered, help us to find answer for this one

56. You have a local autocomplete like the following:
new Autocompleter.Local(arg1, arg2, arg3, arg4);
Assume that you want to create a local autocomplete text field. You want to display all possible values on div1 div element and show this div to the user. Which of the following arguments is the value of div1 div?

Note: This Question is unanswered, help us to find answer for this one

57. Consider the following code snippet:

var a = {framework: "Prototype", version: "1.6.1"};
var b = a.toObject();
alert(b.version);

What does the alert box display?

Note: This Question is unanswered, help us to find answer for this one

58. Which of the following functions is used to call the initialize method of the parent class?

Note: This Question is unanswered, help us to find answer for this one

59. What is the result of the following code snippet?
el.insert("«span»Prototype«/span»");

Note: This Question is unanswered, help us to find answer for this one

60. Which of the following tags can make element draggable?

Note: This Question is unanswered, help us to find answer for this one