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JavaScript Strings
Question 1
Which method is used to convert a string to an array of words based on space as a separator?
- A
a. split()
- B
b. toArray()
- C
c. words()
- D
d. split(' ')
Question 2
Which method is used to check if a string ends with a specific substring?
- A
a. endsWith()
- B
b. finishWith()
- C
c. end()
- D
d. terminate()
Question 3
Which method is used to check if a string starts with a specific substring?
- A
a. startsWith()
- B
b. beginsWith()
- C
c. start()
- D
d. initiate()
Question 4
Which method is used to extract a substring from a string based on its position and length?
- A
a. substring()
- B
b. slice()
- C
c. splice()
- D
d. substr()
Question 5
Which method is used to repeat a string a specified number of times in JavaScript?
- A
a. repeat()
- B
b. replicate()
- C
c. duplicate()
- D
d. copy()
Question 6
Which method is used to convert a string to a number in JavaScript?
- A
a. toInt()
- B
b. parseInt()
- C
c. convertToNumber()
- D
d. castToNumber()
Question 7
Which method is used to replace a specified substring with a new substring in a string?
- A
a. replace()
- B
b. swap()
- C
c. substitute()
- D
d. switch()
Question 8
Which method is used to remove whitespace from both ends of a string in JavaScript?
- A
a. trim()
- B
b. strip()
- C
c. clean()
- D
d. remove()
Question 9
Which method is used to find the index of the first occurrence of a specific character or substring in a string?
- A
a. indexOf()
- B
b. findIndex()
- C
c. search()
- D
d. locate()
Question 10
Which method is used to concatenate two or more strings in JavaScript?
- A
a. append()
- B
b. join()
- C
c. concat()
- D
d. add()
There are 10 questions to complete.