let arr = [1, 2, 3, 1, 2, 3, 2 ,3, 4, 5];
console.log([new Set(arr)])
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let arr = [1, 2, 3, 1, 2, 3, 2 ,3, 4, 5];
console.log([new Set(arr)])This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.