difference$ - nodef/extra-object GitHub Wiki
Obtain entries not present in another object.
Alternatives: difference, difference$. Similar: isDisjoint, union, intersection, difference, symmetricDifference.
function difference$(x, y)
// x: an object (updated)
// y: another object
const object = require('extra-object');
var x = {a: 1, b: 2, c: 3, d: 4, e: 5};
var y = {b: 2, d: 4};
object.difference$(x, y);
// → { a: 1, c: 3, e: 5 }
x;
// → { a: 1, c: 3, e: 5 }
var x = {a: 1, b: 2, c: 3, d: 4, e: 5};
var y = {b: -2, d: -4};
object.difference$(x, y);
// → { a: 1, c: 3, e: 5 }