<!DOCTYPE html>
<meta charset="utf-8">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1902156">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-items">
<link rel="match" href="/css/reference/ref-filled-green-100px-square.xht">
<link rel="author" href="mailto:[email protected]" title="Daniel Holbert">
<link rel="author" href="mailto:[email protected]" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<style>
#flex {
display: flex;
width: 100px;
justify-content: center;
background: red;
/* This gap ensures that we'll see some of the red background,
if there ends up being more than 1 flex item. */
gap: 90px;
}
#swatch {
width: 100px;
height: 100px;
background: green;
}
</style>
<script>
function go() {
/* The fact that we have (and take) a linewrap opportunity
in "foo bar" is important be able to trigger the bug: */
let whitespace = document.createTextNode(" ");
let text = document.createTextNode("foo bar");
flex.appendChild(whitespace);
flex.appendChild(text);
flex.offsetHeight;
text.remove();
}
</script>
<body onload="go()">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="flex"><div id="swatch"></div></div>