concat

Appends entries from maps, preferring last. 🏃 📼 📦 🌔 📒

entries.concat(...xs);
// xs: n entries

const entries = require("extra-entries");

var x = [["a", 1], ["b", 2]];
var y = [["c", 3], ["d", 4]];
[...entries.concat(x, y)];
// [ [ "a", 1 ], [ "b", 2 ], [ "c", 3 ], [ "d", 4 ] ]

var z = [["d", 40], ["e", 50]];
[...entries.concat(x, y, z)];
// [ [ "a", 1 ], [ "b", 2 ], [ "c", 3 ], [ "d", 40 ], [ "e", 50 ] ]

References

• Array.prototype.concat: MDN web docs
• Array.add: sugarjs