Answer & Solution
Answer: Option A
Solution:
The += operator performs concatenation if one of the operands is a string, resulting in '105'.
Q
What will the following code snippet output: let a = 10; a += '5'; console.log(a); in JavaScript?
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A). Object
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A). Number
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A). String
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A). String
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A). '5'
B). 5
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A). String
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