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JavaScript Objective Questions Set-3 (48)

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Question: 41

setInterval method calls a function repeatedly at a set time interval. State true or false

(A) True
(B) False

Level: Practitioner Category: methods
[Posted by: Admin | Chicago, USA]

Question: 42

Which of the following is not a built-in String method in Javascript?

(A) replace()
(B) append()
(C) slice()
(D) search()

Level: Practitioner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 43

What if you use parseInt() to convert a string containing decimal value?

(A) Throws Error
(B) It returns the decimal values in string form
(C) If returns only the integer portion of the number
(D) None of the listed option

Level: Expert Category: methods
[Posted by: Admin | Chicago, USA]

Question: 44

What is the output of below Javascript code?

alert (typeof new Date() );

(A) Throws Error
(B) object
(C) Displays Nothing
(D) Current Date

Level: Expert Category: methods
[Posted by: Admin | Chicago, USA]

Question: 45

Which event occurs when the value of an element has been changed?

(A) onclick
(B) onsubmit
(C) focuschange
(D) onchange

Level: Practitioner Category: event
[Posted by: Admin | Chicago, USA]

Question: 46

Which of the following tag is used to draw graphics on the fly in Javascript?

(A) Image
(B) Canvas
(C) MoveCursor
(D) Draw

Level: Practitioner Category: other
[Posted by: Admin | Chicago, USA]

Question: 47

Triple equal sign === checks for equal value and equal type. State true or false

(A) True
(B) False

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 48

Browser Object Model(BOM) allows JavaScript to “talk to” the browser