var ar = [10,7,8,3,4,7,6];
function isin(n,a){
  for (var i=0;i

在这段代码中，我试图从原始数组中创建一个新的唯一数组（没有重复项）。
但是我仍然得到了原始数组！我的错误在哪里？
															

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