There’s a new web platform feature flighting in Chromium called Declarative Partial Updates. This proposal adds a new element which enables out-of-order streaming of content. Rather than the traditional way of building the HTML you need on the server, or sending JSON down to a JavaScript framework, you can staple HTML onto the initial response and use the syntax to inject that content into the placeholder.

There’s a new web platform feature flighting in Chromium called Declarative Partial Updates. This proposal adds a new <?marker> element which enables out-of-order streaming of content. Rather than the traditional way of building the HTML you need on the server, or sending JSON down to a JavaScript framework, you can staple HTML onto the initial response and use the <template for=""> syntax to inject that content into the <?marker name=""> placeholder.