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

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

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

A). beginsWith()

B). startsWith()

C). isStart()

D). hasPrefix()

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

A). search()

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A). trimStart()

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A). number.toString()

B). number.toText()

C). number.convert()

D). number.string()

What is the result of 'Hello'.concat(' ', 'World')?

A). HelloWorld

B). Hello World

C). Hello, World

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What does the charAt() method do?

A). Returns the ASCII value of a character

B). Returns the Unicode value of a character

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