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July 2, 2020 21:28
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任意のページに「東京アラート」を表示するスクリプト(ブックマークレット)
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| javascript:(function() {const talert = document.createElement('div');talert.innerHTML = '<div><style>@keyframes talert1 {0%{transform: translateY(-50rem)}100%{transform: translateY(100vh)}}@keyframes talert2 {0%{opacity: 0}50%{opacity: 1}}</style><div style="font-size:2.5rem;color:#f00;writing-mode:vertical-lr;position:absolute;top:0;right:0;z-index:99999;padding:1rem;background-color:#000000b0;height:200rem;"><div style="animation: talert1 15s linear -.1s infinite, talert2 1.5s linear -.1s infinite;">◆◆◆ 東京アラートを再発動いたしました。不要不急の外出は控えてください。 ◆◆◆</div></div></div>';document.body.appendChild(talert.firstChild);}()) |
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使い方: https://twitter.com/parc_b/status/1269590974004510720?s=20