Q
How do you extract a part of a string in JavaScript?

Answer & Solution

Answer: Option E
Solution:
You can use slice(), substring(), or substr() to extract a part of a string.
Related Questions on Average

What does the charAt() method do?

A). Returns the ASCII value of a character

B). Returns the Unicode value of a character

C). Returns the character at a specified index

D). Returns the first character in a string

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

A). loop()

B). repeat()

C). times()

D). replicate()

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

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

A). beginsWith()

B). startsWith()

C). isStart()

D). hasPrefix()

How do you convert a string to uppercase in JavaScript?

A). toUpper()

B). upperCase()

C). toUpperCase()

D). toCaps()

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 check if a string contains a specified substring?

A). contains()

B). includes()

C). has()

D). indexOf()

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

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

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

A). trimStart()

B). trim()

C). trimWhitespace()

D). strip()

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

A). replace()

B). substitute()

C). change()

D). swap()