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交作业

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helloiac

#1 Created at ... [Delete] [Delete and Lock User]
        function get_primes(arr) {
            return arr.filter(function(s){
                var x = 1;
                for(var i=2;i<s;i++) {
                    x *= s%i;
                }
                return x != 0;
            })
        }
        var x = [];
        for (var i = 1;i<=100;i++) {
            x.push(i)
        }
        alert(get_primes(x))

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