Q
What is the result of null == undefined?

Answer & Solution

Answer: Option A
Solution:
In JavaScript, null and undefined are considered equal with the == operator.
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What is the output of typeof null?

A). null

B). undefined

C). object

D). number

What will typeof [1, 2, 3] return?

A). array

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A). let x;

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C). Number

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A). String

B). Number

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A). function

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C). undefined

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A). number

B). NaN

C). undefined

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A). Array

B). Object

C). Collection

D). List

What is the data type of 42 in JavaScript?

A). String

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Which method can be used to convert a string to a number in JavaScript?

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