<!
DOCTYPE HTML >
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<
html ><
head >
<
meta charset=
"utf-8" >
<
title >CSS Grid Test: Fragmentation with forced break propagation</
title >
<
link rel=
"author" title =
"Mats Palmgren" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=1144096 " >
<
link rel=
"help" href=
"https://drafts.csswg.org/css-grid/#pagination " >
<
link rel=
"match" href=
"grid-fragmentation-020-ref.html" >
<
style type=
"text/css" >
html ,
body {
color:black; background-color:white;
font -size:
16 px; padding:
0 ; margin:
0 ;
}
body { overflow:hidden; }
.columns {
position:relative;
-ms-columns:
5 ;
-webkit-columns:
5 ;
columns:
5 ;
-ms-column-fill: auto;
-webkit-column-fill: auto;
column-fill: auto;
border:
2 px solid salmon;
margin-bottom:
5 px;
}
.no-border { border-
style :none; }
.grid {
display: grid;
grid-template-columns:
30 px;
grid-auto-rows:
10 px;
grid-gap:
2 px;
border:
5 px solid;
height:
20 px; /* create Class C break opportunities at both ends */
align-content:
center ;
}
.start {
align-content: start;
}
span { background:lime; border:
1 px solid black; }
.bb { border-bottom-width:
6 px; }
x { display:block; height:
40 px; }
m { display:block; padding-top:
1 px; }
.break-before { page-break-before:always; break-before:always; }
.break-after { page-break-after:always; break-after:always; }
.avoid-break { page-break-inside:avoid; break-inside:avoid; }
</
style >
</
head >
<
body >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" >
<
div class=
"grid" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" >
<
div class=
"grid start" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" >
<
div class=
"grid" >
<
span class=
"avoid-break" ><x></x></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" >
<
div class=
"grid start" >
<
span class=
"avoid-break" ><x></x></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid start" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid" >
<
span class=
"avoid-break" ><x></x></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:40px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid start" >
<
span class=
"avoid-break" ><x></x></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:16px" >
<
div style =
"background:grey" >
<
div class=
"grid" style =
"height:10px" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:16px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid" style =
"height:10px" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:10px" >
<
div style =
"background:grey" >
<
div class=
"grid" style =
"height:10px" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:10px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid" style =
"height:10px" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:0px" >
<
div style =
"background:grey" >
<
div class=
"grid" style =
"height:10px" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns" style =
"height:0px; margin-top:20px" >
<
div style =
"background:grey" ><m></m>
<
div class=
"grid" style =
"height:10px;" >
<
span class=
"break-before" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:10px;grid-auto-rows: 0px;" >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:10px;grid-auto-rows: 0px;" >
<
span class=
"break-before bb" ></
span >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:1px;grid-auto-rows: 1px;" >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:1px;grid-auto-rows: 1px;" >
<
span class=
"break-before bb" ></
span >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:1px;grid-auto-rows: 11px;" >
<
span class=
"break-before bb" ></
span >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:1px;grid-auto-rows: 11px;" >
<
span class=
"break-before bb" style =
"grid-row:span 2" ></
span >
<
span class=
"break-before bb" ></
span >
</
div ></
div ></
div >
<
div class=
"columns no-border" style =
"height:0px; margin-top:20px" >
<
div ><m></m>
<
div class=
"grid" style =
"height:1px;grid-auto-rows: 11px;" >
<
span class=
"break-before bb" ></
span >
<
span class=
"break-before bb" style =
"grid-row:span 2" ></
span >
</
div ></
div ></
div >
<!--
XXX TODO: propagation of break-after on the last row to the container doesn't work.
XXX TODO: I'm guessing the block frame code doesn't know how to deal with that b/c
XXX TODO: it expects the frame constructor to have created a nsPageBreakFrame...
<div class="columns" style="height:40px">
<div style="background:grey">
<div class="grid">
<span class="break-after"></span>
</div>
<div style="border-top:2px solid blue"></div>
</div></div>
<div class="columns" style="height:40px">
<div style="background:grey">
<div class="grid">
<img src="data:image/gif;base64,R0lGODlhAQABAIABAAD/AP///ywAAAAAAQABAAACAkQBADs=" class="break-after"></button>
</div>
<div style="border-top:2px solid blue"></div>
</div></div>
-->
</
body >
</
html >
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-06-05)
¤
*© Formatika GbR, Deutschland