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<!DOCTYPE html>
<html>
<head>
<meta name='viewport' content='initial-scale=1'>
<script>
function imageOverlaysAsText()
{
const result = [];
for (const image of Array.from(document.images)) {
const root = internals.shadowRoot(image);
if (!root)
continue;
const overlay = root.getElementById("image-overlay");
if (!overlay)
continue;
result.push(overlay.textContent);
}
return result;
}
function appendImage(imageSource)
{
const image = document.createElement("img");
image.src = imageSource;
document.body.appendChild(image);
}
async function appendAndLoadSubframe(source)
{
const frame = document.createElement("iframe");
frame.src = source;
await new Promise(resolve => {
frame.addEventListener("load", resolve);
document.body.appendChild(frame);
});
}
function hideAllImages()
{
Array.from(document.images).forEach(image => image.style.setProperty("display", "none"));
}
function showAllImages()
{
Array.from(document.images).forEach(image => image.style.removeProperty("display"));
}
</script>
</head>
<body style='margin: 0px;'>
<p>large-red-square.png</p>
<img src="large-red-square.png">
<p>sunset-in-cupertino-200px.png</p>
<img src="sunset-in-cupertino-200px.png">
<p>test.jpg</p>
<img src="test.jpg">
<p>400x400-green.png</p>
<img src="400x400-green.png">
<p>sunset-in-cupertino-100px.tiff</p>
<img src="sunset-in-cupertino-100px.tiff">
</body>
</html>
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