Weekly Platform News: Feature Policy, ECMAScript i18n API, Packaged PWAs


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Šime posts regular content for web developers on webplatform.news.

New Feature Policy API in Chrome

Pete LePage: You can use the document.featurePolicy.allowedFeatures method in Chrome to get a list of all Feature Policy-controlled features that are allowed on the current page.

This API can be useful when implementing a feature policy (and updating an existing feature policy) on your website.

  1. Open your site in Chrome and run the API in the JavaScript console to check which Feature Policy-controlled features are allowed on your site.
  2. Read about individual features on featurepolicy.info and decide which features should be disabled ('none' value), and which features should be disabled only in cross-origin