Answer & Solution
Answer: Option A
Solution:
The Number data type in JavaScript represents numeric values, including both integers (whole numbers) and floating-point numbers (decimal numbers).
Q
Which primitive data type in JavaScript represents integers and floating-point numbers?
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A). Textual data
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A). Number
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A). number
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A). number
B). string
C). undefined
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A). Number
B). String
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What is the result of the expression typeof undefined in JavaScript?
A). number
B). string
C). undefined
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A). number
B). string
C). boolean
D). undefined
Which data type represents variables that have been explicitly set to have no value?
A). Number
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What does the expression typeof '123' return in JavaScript?
A). number
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C). undefined
D). boolean
Which primitive data type represents unique identifiers introduced in ECMAScript 6?
A). Number
B). Symbol
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