廖老师，您好，鉴于负数也可以是奇数，如-1，且-1 % 2 !== 1

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

var arr = [-1, 2, 4, 5, 6, 9, 10, 15];
arr.filter(function (x) {
    return x % 2 === 1;
}); // [5, 9, 15]

因此，应该修改为：

var arr = [-1, 2, 4, 5, 6, 9, 10, 15];
arr.filter(function (x) {
    return x % 2 !== 0;
}); // [-1, 5, 9, 15]

多谢指教:-)

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

好吧