Thanks for the tips! For question #8, you could write it in one line:
array1.map(({ key, value}) => ({ [key]: value }));
For question #9,
const filterName = (names, query) => names.filter(name => new RegExp(query, "i").test(name));
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Thanks for the tips! For question #8, you could write it in one line:
For question #9,