Q
Which method can you use to check if a string includes a specific substring in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The .includes() method in JavaScript checks if a string contains a specific substring.
Related Questions on Average

Which operator can be used to combine a string with a number in JavaScript?

A). +

B). -

C). *

D). /

What is the correct way to compare two strings in JavaScript for equality?

A). string1 == string2

B). string1.compare(string2)

C). string1.equals(string2)

D). string1 === string2

How do you find the length of a string in JavaScript?

A). string.length

B). string.size

C). string.length()

D). lengthOf(string)

What does the .substring() method do in JavaScript?

A). Extracts characters between two indices

B). Trims whitespace from the beginning

C). Converts string to an array

D). Compares two strings

How do you trim whitespace from the beginning and end of a string in JavaScript?

A). string.trim()

B). trimString(string)

C). string.strip()

D). trim(string)

What does the + operator do with strings?

A). Concatenates strings

B). Compares strings

C). Trims strings

D). Converts strings to uppercase

What is the result of 'hello'.toUpperCase().toLowerCase() in JavaScript?

A). 'hello'

B). 'HELLO'

C). 'Hello'

D). 'hello'

What is the result of 'apple'.charAt(2) in JavaScript?

A). 'p'

B). 'l'

C). 'a'

D). 'pp'

How do you check if a string starts with a specific substring in JavaScript?

A). string.startsWith(substring)

B). string.startsWithWith(substring)

C). string.beginsWith(substring)

D). string.starts(substring)

What is the result of '5' + 3 in JavaScript?

A). '53'

B). 8

C). 53

D). '5 3'