<!DOCTYPE html> <html> <head> <link rel="author" title="Martin Robinson" href="mailto:mrobinson@igalia.com"> <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> <meta name="assert" content="Changes to selection that result in no selection do not cause a crash."> <style> * { content-visibility: auto; } </style> <script> document.addEventListener('DOMContentLoaded', () => { document.documentElement.convertPointFromNode({}, marquee, {}) textarea.setSelectionRange(0, 0, 'forward') input.setAttribute('type', 'number') document.documentElement.getBoundingClientRect() }) </script> </head> <body> <marquee id='marquee'></marquee> <textarea id='textarea'></textarea> <input id='input'></input> </body> </html>