JavaScript
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最新帖子CHALLENGE let i = 0; const key = () => `k${i++}`; const obj = { [key()]: 1, [key()]: 2, [key()]: 3 }; const sym = Symbol('x'); const keyObj = { toString() { return 'dyn'; } }; const obj2 = { [sym]: 'secret', [`a${1 + 1}`
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