Performing the operation: let x = "Alice" + 10; will result in:

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Post published:October 27, 2023
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Post last modified:June 12, 2024

Performing the operation: `let x = "Alice" + 10;` will result in:

the program execution to abort due to an error.
the value NaN of Number type to be stored in the variable x .
the value 15 of Number type to be stored in the variable x .
the value "Alice10" of String type to be stored in the variable x .

Answers Explanation & Hints:

In JavaScript, when you use the + operator with a string and a number, the number is implicitly converted to a string, and the concatenation of the two values is performed.

In the code snippet let x = "Alice" + 10;, the string “Alice” is concatenated with the number 10. The result of this operation is the string “Alice10”, which is then stored in the variable x.

Performing the operation: `let x = "Alice" + 10;` will result in:

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