1. screenshot of How do you test a service worker, anyway?

    Jeff Posnick

    How do you test a service worker, anyway?

    if you're writing a service worker from scratch, if you're using one of Workbox's more exotic plugins or custom strategies, or if your service worker's behavior is particularly important to your overall user experience, developing a test suite dedicated to your service worker can give you an important peace of mind.

  2. screenshot of Alt vs Figcaption

    Elaina Natario

    Alt vs Figcaption

    While both the alt attribute and the figcaption element provide a way to describe images, the way we write for them is different. alt descriptions should be functional; figcaption descriptions should be editorial or illustrative.

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