JavaScript Keywords Mockest | JavaScript

1.

What is the keyword used to declare a constant variable in JavaScript?

A). const B). let C). var D). constant

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2.

Which keyword is used to define a function in JavaScript?

A). function B). func C). define D). funcDef

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3.

Which keyword is used to create a new instance of an object?

A). instance B). create C). new D). object

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4.

What is the purpose of the typeof keyword in JavaScript?

A). To check if a variable is defined B). To determine the data type of a variable C). To create new variables D). To delete variables

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5.

Which keyword is used to handle exceptions in JavaScript?

A). try B). handle C). catch D). exception

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6.

What keyword is used to break out of a loop in JavaScript?

A). break B). exit C). stop D). halt

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7.

Which keyword is used to handle the final steps in error handling in JavaScript?

A). finally B). end C). last D). complete

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8.

Which keyword is used to define a class in JavaScript?

A). class B). defineClass C). createClass D). classDef

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9.

What is the purpose of the super keyword in JavaScript?

A). To access parent class properties and methods B). To create new instances of objects C). To delete objects D). To handle exceptions

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10.

Which keyword is used to define an object in JavaScript?

A). object B). defineObject C). createObject D). obj

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