共计 189 个字符,预计需要花费 1 分钟才能阅读完成。
const set = new Set(); | |
set.add(1); | |
set.add("Lydia"); | |
set.add({name: "Lydia"}); | |
for (let item of set) {console.log(item + 2); | |
} |
A: 3, NaN, NaN | |
B: 3, 7, NaN | |
C: 3, Lydia2, [Object object]2 | |
D: "12", Lydia2, [Object object]2 |
参考答案:
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发表至: javascript
2021-12-13