What is the result of [1,2,3] + [4,5]?
- A [1,2,3,4,5]
- B "1,2,34,5"
- C Error
- D [5,7,3]
Answer
"1,2,34,5"
The + operator converts both arrays to strings and concatenates them. Use concat or the spread operator to combine arrays properly.
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"1,2,34,5"
The + operator converts both arrays to strings and concatenates them. Use concat or the spread operator to combine arrays properly.
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