@extra-map/from-update.min v2.2.15

Creates map from entries. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: from, from$, fromLists, fromValues.

This is part of package extra-map.

This is browserified, minified version of @extra-map/from-update. It is exported as global variable map_from$. CDN: unpkg, jsDelivr.

map.from$(es);
// es: entries (updatable if map)

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

var es = [["a", 1], ["b", 2], ["c", 3]];
map.from$(es);
// Map(3) { "a" => 1, "b" => 2, "c" => 3 }

var x = new Map(es);
var a = map.from$(x);
// a === x (map is reused)

a.set("a", 10);
x;
// Map(3) { "a" => 10, "b" => 2, "c" => 3 }

References

• Array.prototype.from: MDN web docs