Q
Which method would you use to check if a string contains a specified substring?

Answer & Solution

Answer: Option B
Solution:
The includes() method is used to check if a string contains a specified substring.
Related Questions on Average

How do you check if a string ends with a specific substring?

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

Which method is used to find the length of a string?

A). length()

B). len()

C). size()

D). length

Which method would you use to replace a part of a string with another string?

A). replace()

B). substitute()

C). change()

D). swap()

How do you create a multi-line string in JavaScript?

A). Use single quotes

B). Use double quotes

C). Use backticks

D). Use escape characters

What is the use of the String.raw method?

A). To create raw string literals

B). To create a raw copy of a string

C). To create a new string

D). To escape characters

Which method can be used to search for a specified value in a string and return its position?

A). search()

B). find()

C). indexOf()

D). locate()

How do you repeat a string a specified number of times?

A). loop()

B). repeat()

C). times()

D). replicate()

What is the result of '5' + 2 in JavaScript?

A). 52

B). 7

C). 5

D). Error

What does the split() method do?

A). Splits a string into characters

B). Splits a string into an array of substrings

C). Divides a string into two parts

D). Cuts a string in half

How do you declare a string in JavaScript?

A). var str = 'Hello';

B). var str = 'Hello';

C). var str = Hello;

D). All of the above