resize-loop-error-notification-console-manual.tentative.html

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<!DOCTYPE html>

<title>ResizeObserver - Console Logging Manual Test</title>

<meta name="assert" content="The resize loop error notification should appear in the console.">

<link rel="help" href="https://www.w3.org/TR/resize-observer/#deliver-resize-loop-error-notification">

<p>Open the console inside the developer tools. It should contain one entry with contents:</p>

<p><code>ResizeObserver loop completed with undelivered notifications.</code></p>

<div id="resizer" style="width: 100px; height: 100px;"></div>

<script>

  const observer = new ResizeObserver(entries => {

    resizer.style.width = '200px';

});

  observer.observe(resizer);

</script>