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WPD 635: Feature detection of link relationships, CSS background-clip demos, Node.js interoperability with ES6 modules

  • Info

    • The “nothing” content model and void elements are separate concepts, spec
    • Service worker cache .add()/.addAll() methods no longer store 4xx/5xx error responses, post
      • “Cache .add() and .addAll() will now reject with a TypeError if any Response status is not in the 200 range. An additional side effect of this is that these methods will always reject for cross-origin no-cors requests…”
  • Demos

    • DOMTokenList validation (status) in Chrome Canary (enables <link rel> feature detection), screen
    • The CSS background-clip property and its use cases, @………’s post w/ demos
      • Notes: 1. By default, a background covers an element’s entire border box, but its position is relative to the element’s padding box. 2. When setting the background-size for a gradient, two values have to be specified for consistent results (due to browser bugs).

  • Other

    • Chromium plans to experimentally ship the Web Bluetooth API in Chrome stable (versions 50–52), disc
    • Four proposed options for making Node.js interoperable with ES6 modules, disc.

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