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作业笨方法

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aiyicha

#1 Created at ... [Delete] [Delete and Lock User]

var arrrrr = arr.filter(function(x){ if (x < 2){ return false; } for (var i = 2; i < x; i++){ if (x%i==0){ return false; } } return true; }); alert(arrrrr);

return arrrrr;


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