that.phoneList = that.unique(that.phoneList)

unique(arr) {
  const res = new Map();
  return arr.filter((arr) => !res.has(arr.id) && res.set(arr.id, 1))
},
 

嗯 简单粗暴

 

https://blog.csdn.net/qq_37588752/article/details/80901669?utm_source=blogxgwz7

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