function sum(a, b) {
return a + b
}
sum(1, '2')- A:
NaN - B:
TypeError - C:
"12" - D:
3
2022-06-24 23:07:00 【Qi Delong】
function sum(a, b) {
return a + b
}
sum(1, '2')NaNTypeError"12"3
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