зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
893 B
HTML
46 строки
893 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script>
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addEventListener("DOMContentLoaded", () => {
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[d1, d2] = document.getElementsByTagName("div");
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[s1, s2] = document.getElementsByTagName("span")
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d3 = document.createElement("div")
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d4 = document.createElement("div")
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d4.setAttribute("class", "grid")
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d3.appendChild(d4)
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d1.appendChild(document.createElement("span"))
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setTimeout(() => {
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d2.removeChild(s2)
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setTimeout(() => {
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d2.insertBefore(d3, s1)
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}, 100)
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}, 100)
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})
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</script>
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<style>
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.columns {
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columns: 3;
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}
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.grid {
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display: grid;
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border:5px solid;
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counter-reset: item;
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}
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span { display:contents; }
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span::before { content: counter(item) ":before"; }
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span::after { content: counter(item) ":after"; }
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</style>
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</head>
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<body>
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<div class=columns>
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<div class=grid>
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<c></c>
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<span><c></c></span>
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<span><c></c></span>
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</div>
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</div>
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</body>
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</html>
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