基本思路: 循环判断,虽然很没效率orz
return arr.filter(function(s){ var j = 0; for(var i = 0; i <= s; i++){ if (s % i == 0) {j = j + 1;} } return (j == 2); });
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Earture_Ai
基本思路: 循环判断,虽然很没效率orz