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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>removing content attribute</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<meta name="viewport" content="width=400">
<meta name="viewport" content="width=800">
<script src="viewport_helpers.js"></script>
</head>
<body>
<script>
"use strict";
add_task(async function multiple_viewport_tags() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
let info = getViewportInfo(800, 480);
// The latter meta viewport tag is used.
is(info.width, 800, "width should be 800");
const secondMeta =
document.querySelector("meta[name=viewport][content='width=800']");
secondMeta.removeAttribute("content");
info = getViewportInfo(800, 480);
// The latter meta viewport tag is still used.
is(info.width, 800, "width should be 800");
});
</script>
</body>
</html>
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