How do i convert JSON object to an array as above?

Question

FROM THIS TYPE

[
  { postId: 17 },
  { postId: 13 },
  { postId: 14 },
  { postId: 10 },
  { postId: 7 },
  { postId: 1 },
  { postId: 2 }
]

TO

[17, 13, 14, 10, 7, 1, 2]

I will query

SELECT * FROM posts Where post_id = 17, 13, 14, 10, 7, 1, 2

Thanks

SELECT * FROM posts Where post_id = 17, 13, 14, 10, 7, 1, 2

Answer 1

Try this:

let objs = [
  { postId: 17 },
  { postId: 13 },
  { postId: 14 },
  { postId: 10 },
  { postId: 7 },
  { postId: 1 },
  { postId: 2 }
]
let idsOnly = objs.map(obj => obj.postId);