Activity › Forums › Salesforce® Discussions › What is reduce method in Lightning component. Salesforce® Discussions What is reduce method in Lightning component. Posted by Marziya on May 29, 2020 at 2:39 PM What is reduce method in Lightning component. Marziya replied 6 years ago 1 Member · 0 Replies 0 Replies Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me