JavaScript Strings

This section covers the questions for the Strings in JavaScript to clear all your concepts.

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Question 1

Which method is used to convert a string to an array of words based on space as a separator?

  • a. split()

  • b. toArray()

  • c. words()

  • d. split(' ')

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Question 2

Which method is used to check if a string ends with a specific substring?

  • a. endsWith()

  • b. finishWith()

  • c. end()

  • d. terminate()

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Question 3

Which method is used to check if a string starts with a specific substring?

  • a. startsWith()

  • b. beginsWith()

  • c. start()

  • d. initiate()

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Question 4

Which method is used to extract a substring from a string based on its position and length?

  • a. substring()

  • b. slice()

  • c. splice()

  • d. substr()

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Question 5

Which method is used to repeat a string a specified number of times in JavaScript?

  • a. repeat()

  • b. replicate()

  • c. duplicate()

  • d. copy()

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Question 6

Which method is used to convert a string to a number in JavaScript?

  • a. toInt()

  • b. parseInt()

  • c. convertToNumber()

  • d. castToNumber()

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Question 7

Which method is used to replace a specified substring with a new substring in a string?

  • a. replace()

  • b. swap()

  • c. substitute()

  • d. switch()

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Question 8

Which method is used to remove whitespace from both ends of a string in JavaScript?

  • a. trim()

  • b. strip()

  • c. clean()

  • d. remove()

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Question 9

Which method is used to find the index of the first occurrence of a specific character or substring in a string?

  • a. indexOf()

  • b. findIndex()

  • c. search()

  • d. locate()

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Question 10

Which method is used to concatenate two or more strings in JavaScript?

  • a. append()

  • b. join()

  • c. concat()

  • d. add()

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There are 10 questions to complete.

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