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manabuyasuda/isDuplicateArray.js

Created June 21, 2022 09:39
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isDuplicateArray.js
/**
* 配列を比較して、1つでも重複があれば`true`を返す
* @param {Array} arr1
* @param {Array} arr2
* @returns {Boolean}
*/
const isDuplicateArray = (arr1, arr2) => {
return (
[...arr1, ...arr2].filter(item => arr1.includes(item) && arr2.includes(item)).length > 0
)
}
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