🆕✨ We propose a new API that conveys the utilization of system resources, initially focusing on CPU resources (v1) with the plan to add other resources such as GPU resources in the future (post v1). In a perfect world, a computing device is able to perform all the tasks assigned to it with guaranteed and consistent quality of service. In practice, the system is constantly balancing the needs of m
Update: As feedback comes in from various channels, I've been updating & maintaining a full explainer with a changelog. Intro Media-queries allow an author to make style changes based on the overall viewport dimensions -- but in many cases, authors would prefer styling modular components based on their context within a layout. Earlier this year, David Baron & Brian Kardell proposed two complementa
Saluton TAG! I'm requesting a TAG review of TC39's Realms API. Realms are a distinct global environment, with its own global object containing its own intrinsics and built-ins. The Realms proposal provides a new mechanism to execute JavaScript code within the context of a new global object and set of JavaScript built-ins. The Realm constructor creates this kind of a new global object. Explainer¹ (
Document Policy This is a proposal for a mechanism, similar to Feature Policy, to cover those kinds of features which don't involve delegation of permission to trusted origins; features which are more about configuring a document, or removing features (sandboxing) from a document or a frame. Start with Examples! Performance best practices The simplest example is a site which wants to enforce some
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