Activity › Forums › Salesforce® Discussions › What are the four pillars of html web component in Salesforce? Salesforce® Discussions What are the four pillars of html web component in Salesforce? Posted by Pooja on March 11, 2020 at 2:35 PM What are the four pillars of html web component in Salesforce? Shweta replied 6 years, 2 months ago 3 Members · 2 Replies 2 Replies Anjali Member March 11, 2020 at 2:40 PM Lightning web components are custom HTML elements built using HTML and modern JavaScript. Lightning web components and Aura components can coexist and inter operate on a page. To admins and end users, they both appear as Lightning components. [adinserter block='9'] Shweta Member March 12, 2020 at 1:43 PM Four pillars of HTML web components are Import, Template, Custom Element, Shadow DOM. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me