如何在这个数组中快速查找出含有某个元素的记录？

Question

[{"index":0,"url":"/uploads/20210515/77224f5334636205c823f9ff455c848f.xlsx","pid":12},{"index":1,"url":"/uploads/20210515/aa85a3e19c174d7bb0ed8be23ad535e6.jpg","uid":12},{"index":2,"url":"/uploads/20210515/83f6ab0c5710c32966962d3e71d0c2e3.doc","pid":12}]

如何快速的查找到含有uid这个元素的记录？
假如我要查找到最新的一条含有uid的记录呢？

Answer 1

// 查找最后一条的uid记录
arr.reverse().find(v => v.uid !== undefined)

Answer 2

data.find(item => item.uid !== undefined)