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Papa 解析返回 Data 数组,其中所有内容都转换为字符串

我正在将 .CSV 解析为Papa.parsewith React,我得到的输出如下:

[
  {Year: "1929", BMW: "1896", Toyots: "9547", Mercedes: "4881"},
  {Year: "1930", BMW: "6548", Toyots: "4741", Mercedes: "8096"},
  {Year: "1931", BMW: "5013", Toyots: "6269", Mercedes: "3908"},
  {Year: "1932", BMW: "2468", Toyots: "9858", Mercedes: "1623"},
  {Year: "1933", BMW: "3364", Toyots: "5595", Mercedes: "8638"},
  {Year: "1934", BMW: "2032", Toyots: "2570", Mercedes: "8041"},
  {Year: "1935", BMW: "3579", Toyots: "6886", Mercedes: "6938"},
  {Year: "1936", BMW: "2865", Toyots: "3336", Mercedes: "1996"}
]
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问题是 Papa.parse 将所有内容都隐藏string在双引号下!

我们如何将它们转换回number …

javascript reactjs papaparse

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