On 2017-08-05 20:18, Naveen Chawla wrote:
I've often needed to cache array elements by a unique key each element has, for quick access.This is a shortcut: ```javascript const elementsById = elements.toObjectByProperty(element=>element.id); ```
That looks like what Array.prototype.map can already do. -- Lachlan Hunt https://lachy.id.au/ _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss