<!DOCTYPE html> <html> <head> <meta content="text/html; charset=utf-8" http-equiv="content-type"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <script data-bootload="main.js" data-main="/common/boot.js" src="/bower_components/requirejs/require.js"></script> <style> html, body{ padding: 0px; margin: 0px; overflow: hidden; box-sizing: border-box; } form { border: 3px solid black; border-radius: 5px; padding: 15px; font-weight: bold !important; font-size: 18px !important; } input[type="text"] { margin-top: 5px; margin-bottom: 5px; width: 80%; height: 3em; font-weight: bold; font-size: 18px; } textarea { width: 80%; height: 40vh; } div#content { width: 80%; margin: auto; } </style> </head> <body> <div id="content"> <p>The field below behaves like a <a target="_blank" href="https://en.wikipedia.org/wiki/Read%E2%80%93eval%E2%80%93print_loop">REPL</a>, with the realtime object created by this page exposed as the value <code>x</code></p> <p>Open your browser's console to see the output.</p> <input type="text" name="repl" placeholder="Value" autofocus><br> </div> </body> </html>