Filter a 2D Array From Elements of Another

Question

I have two sets of numeric elements stored as 2D array. The values were grabbed from a column using .getValues(). One is a full list the other is a partial list. I

Answer 1

It seems you have something like this:

var full = [[1],[2],[3],[4],[5]]
var partial = [[3],[4]]

var result = full.filter(x => !partial.find(p => p[0] === x[0]))
console.log(result)

This will filter the way you want. Simply put your filter does not work since you did not take into account the result returned, which is [[], [], []] or array of arrays.

So in your context try this:

var arr = fullListArr.filter(item => !partialListArr.find(p ==> p[0] === item[0]);