const array = [5,4,7,8,9,2,7,5];
array.filter((item,idx,arr) => arr.indexOf(item) === idx);
// or
const nonUnique = [...new Set(array)];
// 输出: [5, 4, 7, 8, 9, 2]
关于ES6的数组去重
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2022-06-07
const array = [5,4,7,8,9,2,7,5];
array.filter((item,idx,arr) => arr.indexOf(item) === idx);
// or
const nonUnique = [...new Set(array)];
// 输出: [5, 4, 7, 8, 9, 2]
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