Actionscript 3 MCQs (Chapterwise Multiple Choice Questions)

Which of the following will NOT be garbage collected?

this.removeChildByName('mySprite');

sprite.addEventListener(MouseEvent.Click, myFn,false,0,true);

sprite.addEventListener(MouseEvent.Click,myFn);

sprite = null;

Answer & Explanation

Correct Answer: sprite.addEventListener(MouseEvent.Click,myFn);

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

Which of the following is NOT a function of the String class?

substring

substr

concat

color

Answer & Explanation

Correct Answer: color

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

The useWeakReference parameter in the addEventListener method is used to:

make the listener eligible for garbage collection

make the Component for which the event is registered eligible for garbage collection.

make the parent of the Component for which the event is registered eligible for garbage collection.

All of the above

Answer & Explanation

Correct Answer: make the listener eligible for garbage collection

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

To disable mouse selection to an InteractiveObject, the correct syntax is:

item.mouseEnabled = false;

item.enabled(false)

item.disableMouse()

item.canClick = false;

Answer & Explanation

Correct Answer: item.mouseEnabled = false;

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

What are the three phases of the event flow?

listen, catch and register

addListener, callback and removeListener

hold, acquire and callback

capture, target and bubbling

Answer & Explanation

Correct Answer: capture, target and bubbling

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What is the output of the following snippet? var s:String = "Pandas use tea cups to drink tea"; s.replace("tea", "");

Pandas use tea cups to drink

Pandas use tea cups to drink tea

Nothing; the function throws a compiler error

Pandas use cups to drink

Answer & Explanation

Correct Answer: Pandas use tea cups to drink tea

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

Which of the following is an example of a bitwise operator

||

!=

?

>>

Answer & Explanation

Correct Answer: >>

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

On an Event handler function, how do you know which item fired the event ?

It is impossible

By accessing the parent property of the event

By accessing the target property of the event

Answer & Explanation

Correct Answer: By accessing the target property of the event

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

Which class can be used to change the color of a display object?

ObjectFormat

Matrix

Transform

ColorTransform

Answer & Explanation

Correct Answer: ColorTransform

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

E4X in Action script is used to:

manipulate complex numeric data.

manipulate String data

manipulate string and numeric data.

manipulate XML data.

Answer & Explanation

Correct Answer: manipulate XML data.

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

Actionscript 3 Quick Quiz

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