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1. ʹÓà Set

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const array = [1, 2, 3, 1, 2, 3];
const uniqueArray = [...new Set(array)];

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2. ʹÓà Array.prototype.filter()

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const uniqueArray = array.filter((item, index) => array.indexOf(item) === index);

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3. ʹÓà Array.prototype.reduce()

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const uniqueArray = array.reduce((acc, item) => {
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  return acc;
}, []);

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