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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-in-scroller-horizontal-far.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#scroller {
width: 100px;
height: 100px;
overflow: scroll;
background-color: gray;
display: flex;
}
#spacer {
width: 10000vw;
height: 130px;
flex-shrink: 0;
}
#target {
width: 100px;
height: 100px;
flex-shrink: 0;
}
</style>
<div id="scroller">
<div id="spacer"></div>
<iframe
id="target"
src="resources/subframe.html"
loading="lazy"
onload="iframe_onload();"
></iframe>
</div>
<script>
const t = async_test(
"Test that lazy-loaded iframes do not load when far from viewport."
);
function img_onload() {
t.unreached_func(
"Lazy-loading iframe far from viewport should not load."
)();
}
t.step_timeout(() => {
t.done();
}, 2000);
</script>