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Subhajit Sahu edited this page Dec 8, 2022 · 13 revisions

Obtain entries present in any object.

Alternatives: union, union$.
Similar: unionKeys, union.
Similar: isDisjoint, union, intersection, difference, symmetricDifference.


function union(x, y, fc)
// x:  an object
// y:  another object
// fc: combine function (a, b)
const object = require('extra-object');

var x = {a: 1, b: 2, c: 3};
var y = {b: 20, c: 30, d: 40};
object.union(x, y);
// → { a: 1, b: 2, c: 3, d: 40 }

object.union(x, y, (a, b) => b);
// → { a: 1, b: 20, c: 30, d: 40 }


References

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