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📜  js 从数组中删除重复项 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:35.330000             🧑  作者: Mango

代码示例6
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];

let x = (names) => names.filter((v,i) => names.indexOf(v) === i)
x(names); // 'John', 'Paul', 'George', 'Ringo'