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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                >ES6 提供了新的數據結構 Set。它類似于數組,但是成員的值都是唯一的,沒有重復的值 # 1.set ~~~ const s = new Set(); [2, 3, 5, 4, 5, 2, 2].forEach(x => s.add(x)); for (let i of s) { console.log(i); } ~~~ ~~~ var s = new Set([1,2,3,4,2]); console.log(s) //Set(4)?{1, 2, 3, 4} ~~~
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