Prototype Programming MCQs (Chapterwise Multiple Choice Questions)

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?

arg1

arg2

arg3

arg4

Answer & Explanation

Correct Answer: arg2

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

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

input

textarea

button

This function is invalid.

Answer & Explanation

Correct Answer: input

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

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

$('id1').droppable(true);

new Droppable("id1")

$('id1').droppable = true

Droppables.add($('id1'));

Answer & Explanation

Correct Answer: Droppables.add($('id1'));

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

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.

True

False

Answer & Explanation

Correct Answer: False

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

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

typeof(Prototype) === "object"

typeof(Prototype) == "String"

typeof(Prototype) == "function"

There is no way to do that.

Answer & Explanation

Correct Answer: typeof(Prototype) === "object"

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

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

before

after

Answer & Explanation

Correct Answer: before

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

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

[[1, 2, 3], [null, false]]

[1, 2, 3, null, false]

[1, 2, 3]

[null, false, 1, 2, 3]

Answer & Explanation

Correct Answer: [[1, 2, 3], [null, false]]

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

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

01234

55555

10

Nothing

Answer & Explanation

Correct Answer: 01234

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

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

True

False

Answer & Explanation

Correct Answer: False

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

PeriodicalUpdater updates an element ___

at the given frequency.

with the specified number of times.

at the given hours.

This function does not exist.

Answer & Explanation

Correct Answer: at the given frequency.

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

Prototype Programming Quick Quiz

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Start Practicing with our MCQs given below.

Prototype Programming MCQ

Prototype Programming Quick Quiz

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

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

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.

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

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

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

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

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

PeriodicalUpdater updates an element ___

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