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@njueszzy Hi, the Array.push() method will return the new length of the array which the new object is pushed in. So in your case, 'te' is an integer number, it definitely doesn't have any properties like array

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ok ,if I want to get an array, I just need to say arr.push(item), and don't need to store it into a variable. Is it right?@Shawydu

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That's right.

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你们都是老外么？英语666
代码可以简化：

function queue(arr, item) {
  // Your code here
  arr.push(item);

  return arr.shift( );  // Change this line
}

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不是，哈哈

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其实我以为你是老外，哈哈

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偶尔说两句英文还是可以的。
欢迎大家多来这里逛逛。

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