JavaScript MCQ Questions with answers and solutions Page 42

Q. JavaScript strings are for ________ text.

(A) storing
(B) manipulating
(C) Both A and B
(D) none of the above

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✅ Correct Answer: (C) Both A and B

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:46 pm in JavaScript

Q. To find the length of a string, use the built-in _______ property.

(A) strlen
(B) area
(C) length
(D) size

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✅ Correct Answer: (C) length

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:47 pm in JavaScript

Q. The ________ escape character turns special characters into string characters

(A) #
(B) |
(C) /
(D) \

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✅ Correct Answer: (D) \

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:47 pm in JavaScript

Q. code is used for?

(A) Carriage Return
(B) New Line
(C) Form Feed
(D) Backspace

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✅ Correct Answer: (A) Carriage Return

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:48 pm in JavaScript

Q. The _________ keyword complicates the code and slows down execution speed

(A) this
(B) let
(C) new
(D) none of the above

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✅ Correct Answer: (C) new

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:49 pm in JavaScript

Q. Comparing two JavaScript objects always returns?

(A) True
(B) False
(C) Can be true or false
(D) Can not say

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✅ Correct Answer: (B) False

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:49 pm in JavaScript

Q. _______ extracts a part of a string and returns the extracted part in a new string.

(A) slice()
(B) strlen()
(C) substr()
(D) substring()

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✅ Correct Answer: (A) slice()

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:50 pm in JavaScript

Q. JavaScript counts positions from?

(A) -1
(B) 0
(C) 1
(D) Can not say

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✅ Correct Answer: (B) 0

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:50 pm in JavaScript

Q. _________ cannot accept negative indexes.

(A) slice()
(B) substring()
(C) Both A and B
(D) none of the above

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✅ Correct Answer: (B) substring()

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:51 pm in JavaScript

Q. Some browsers do not allow spaces behind the character.

(A) Yes
(B) No
(C) Can be yes or no
(D) Can not say

💬 Discuss

✅ Correct Answer: (A) Yes

Published by Ram Sharma ⭐ 193.88K Points at 12-Jul-2022 11:51 pm in JavaScript

JavaScript MCQs with answers Page - 42

Q. JavaScript strings are for ________ text.

Q. To find the length of a string, use the built-in _______ property.

Q. The ________ escape character turns special characters into string characters

Q. code is used for?

Q. The _________ keyword complicates the code and slows down execution speed

Q. Comparing two JavaScript objects always returns?

Q. _______ extracts a part of a string and returns the extracted part in a new string.

Q. JavaScript counts positions from?

Q. _________ cannot accept negative indexes.

Q. Some browsers do not allow spaces behind the character.

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