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

Answer & Solution

Answer: Option B
Solution:
The trim() method removes whitespace from both ends of a string.
Related Questions on Average

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

A). 52

B). 7

C). 5

D). Error

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 lowercase in JavaScript?

A). toLower()

B). lowerCase()

C). toLowerCase()

D). toSmall()

How do you convert a string to uppercase in JavaScript?

A). toUpper()

B). upperCase()

C). toUpperCase()

D). toCaps()

How do you convert a number to a string in JavaScript?

A). number.toString()

B). number.toText()

C). number.convert()

D). number.string()

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

A). loop()

B). repeat()

C). times()

D). replicate()

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

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

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

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()

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