Remove duplicates in an object array Javascript

Question

I have an array of objects

list = [{x:1,y:2}, {x:3,y:4}, {x:5,y:6}, {x:1,y:2}]

And I\'m looking for an efficient way (if possible O(

Answer 1

Using lodash you can use this one-liner:

 _.uniqBy(list, e => { return e.x && e.y })