使用filter删除数组中的重复项

代码示例

从数组中删除重复项

let chars = ['A', 'B', 'A', 'C', 'B'];
let uniqueChars = [...new Set(chars)];

console.log(uniqueChars);

output:
[ 'A', 'B', 'C' ]

删除数组中的重复项

uniq = [...new Set(array)];

or 

uniqueArray = a.filter(function(item, pos) {
    return a.indexOf(item) == pos;
})

类似页面

带有示例的类似页面

如何在javascript中从数组中删除重复

从数组中删除重复项并存储在新数组中的有效方法

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