A small tool to view real-world ActivityPub objects as JSON! Enter a URL
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header
to the server to view the underlying object.
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"published": "2023-08-09T12:29:36Z",
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"content": "<p>Really like this in <span class=\"h-card\" translate=\"no\"><a href=\"https://mozilla.social/@FirefoxDevTools\" class=\"u-url mention\">@<span>FirefoxDevTools</span></a></span> 😍 </p><p>❗ only works for properties, not values as well, see 🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1636301\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1636301</span></a> </p><p>For example, there's zero indication that `background: filter(var(--url), blur(3px))` doesn't work in Firefox.</p><p>❗ that's the `filter()` *function* (spec <a href=\"https://w3.org/TR/filter-effects/#FilterCSSImageValue\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">w3.org/TR/filter-effects/#Filt</span><span class=\"invisible\">erCSSImageValue</span></a> + Firefox🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1191043\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1191043</span></a>), not the `filter` *property*, which has been supported cross-browser for years.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://mastodon.social/tags/FirefoxDevTools\" class=\"mention hashtag\" rel=\"tag\">#<span>FirefoxDevTools</span></a> <a href=\"https://mastodon.social/tags/devTools\" class=\"mention hashtag\" rel=\"tag\">#<span>devTools</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a></p>",
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"en": "<p>Really like this in <span class=\"h-card\" translate=\"no\"><a href=\"https://mozilla.social/@FirefoxDevTools\" class=\"u-url mention\">@<span>FirefoxDevTools</span></a></span> 😍 </p><p>❗ only works for properties, not values as well, see 🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1636301\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1636301</span></a> </p><p>For example, there's zero indication that `background: filter(var(--url), blur(3px))` doesn't work in Firefox.</p><p>❗ that's the `filter()` *function* (spec <a href=\"https://w3.org/TR/filter-effects/#FilterCSSImageValue\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">w3.org/TR/filter-effects/#Filt</span><span class=\"invisible\">erCSSImageValue</span></a> + Firefox🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1191043\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1191043</span></a>), not the `filter` *property*, which has been supported cross-browser for years.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://mastodon.social/tags/FirefoxDevTools\" class=\"mention hashtag\" rel=\"tag\">#<span>FirefoxDevTools</span></a> <a href=\"https://mastodon.social/tags/devTools\" class=\"mention hashtag\" rel=\"tag\">#<span>devTools</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a></p>"
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"name": "Screenshot of the CSS Rules tab in Firefox DevTools.\n\nShows a tooltip that pops up on hovering the light bulb icon after a striked and greyed out (marked as invalied) animation-range rule.\n\nThe tooltip offers support info:\n\n\"animation-range is an experimental property. It is not supported in the following browsers:\n\n Firefox 115\n Firefox for Android 115\n Safari 16.6\n Safari on iOS 16.6\"\n\nAnd then links to the MDN page for the animation-range property.",
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"name": "Screenshot. `background: filter()` isn't marked in Firefox DevTools in any way that would indicate that it is in fact not working/ supported.",
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