Q
Which of the following is not a valid data type in JavaScript?

Answer & Solution

Answer: Option D
Solution:
Tuples are not a built-in data type in JavaScript.
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Which of the following is a primitive data type in JavaScript?

A). Object

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A). instanceof

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A). Infinity

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Which of these is a complex or reference data type in JavaScript?

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What is the outcome of typeof undefined in JavaScript?

A). String

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What will the following code snippet output: let a = 10; a += '5'; console.log(a); in JavaScript?

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