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<!doctype html>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<title>Examples of 'column-rule-extent' on a grid container</title>
<style>
html,body {
color:black; background-color:white; font:20px/1 monospace;
}
.grid {
position: relative;
display: inline-grid;
grid: auto auto / repeat(7, 2ch);
gap: 10px 3px;
row-rule: 4px solid purple;
border: 2px solid;
margin-right: 10px;
margin-bottom: 30px;
background: lightgrey;
}
.segment { row-rule-extent: segment; }
.segment-allow-overlap { row-rule-extent: segment allow-overlap; }
.short-allow-overlap { row-rule-extent: short allow-overlap; }
.short { row-rule-extent: short; }
.long-allow-overlap { row-rule-extent: long allow-overlap; }
.long { row-rule-extent: long; }
.start { row-rule-extent: start; }
.end { row-rule-extent: end; }
.all-long-allow-overlap { row-rule-extent: all-long allow-overlap; }
.all-long { row-rule-extent: all-long; }
x {
background: grey;
opacity: .5;
}
x:nth-child(1) { grid-column: span 2; }
x:nth-child(3) { grid-row: 1 / span 2; grid-column: 4;}
x:nth-child(4) { grid-column: span 2; }
x:nth-child(6) { }
x:nth-child(7) { grid-row: 2; grid-column: 2 / span 3; }
x:nth-child(8) { grid-column: span 3; }
.grid::after {
position: absolute;
bottom: -1.5em;
font-size: 10px;
vertical-align: top;
content: attr(test);
}
pre { font-size: 10px; }
</style>
<pre>Test of various 'row-rule-extent' values:</pre>
<div class="grid segment-allow-overlap"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>
<div class="grid segment"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>
<div class="grid short-allow-overlap"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>
<div class="grid short"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>
<div class="grid long-allow-overlap"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>
<div class="grid long"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>
<div class="grid start"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>
<div class="grid end"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>
<div class="grid all-long-allow-overlap"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>
<div class="grid all-long"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>
<script>
window.onload = function() {
[...document.querySelectorAll('.grid')].forEach(function(elm) {
const cs = window.getComputedStyle(elm);
elm.setAttribute("test",
"'" + cs.rowRuleExtent + "'"
);
});
}
</script>
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