var arr =[    {op: "danmaku", text: "大師傅是對方", uid: "1", name: "看看"},    {op: "danmaku", text: "三頓飯地方發", uid: "1", name: "流量"},    {op: "danmaku", text: "徐州持續催促", uid: "2", name: "看看"},    {op: "danmaku", text: "大師傅是對方", uid: "1", name: "看看"},    {op: "danmaku", text: "大是否都是的", uid: "1", name: "看看"}];//有很多項的數據，怎么篩選原數組的數據，新數組只返回text和uid    [{text: "大師傅是對方", uid: "1"},    {text: "三頓飯地方發", uid: "1"},    {text: "徐州持續催促", uid: "2"},    {text: "大師傅是對方", uid: "1"},    {text: "大是否都是的", uid: "1"}];