js语言精粹第8章【方法】
array.concat(item…) 浅复制,不会修改原array12345var a = ['a', 'b', 'c'];var b = ['x', 'y', 'z'];var c = a.concat(b, true);console.log(c); // ["a", "b", "c", "x
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Creating a life that reflects your values and satisfies your soul is a rare achievement. To invent your own life's meaning is not easy, but it is still allowed, and I think you'll be happier for the trouble.