An HTML sandpit question A question that demonstrates use of the CodeRunner HTML UI. It asks the user to enter some html, css and javascript and displays the result in an iframe. [The idea is taken from https://github.com/tomhodgins/liveeditor.]

When the user clicks check, the values of the three textareas are displayed as the 'Got' column of the result table. A regular expression grader might be used to (loosely) check the user's fields. It is set to .*, so all answers are marked right in this version.

]]> 1 0 0 python3 0 1 10, 20, ... 0 0 0 10 100 // Based on https://github.com/tomhodgins/liveeditor. $(document).ready(function() { var doc = $(document), html = $('#crui_html'), css = $('#crui_css'), js = $('#crui_js'), clear = $('#crui_clearall'); // Display combined content from HTML, CSS, and JS textareas in the iframe. function show_preview() { var iframedoc = document.getElementById("preview").contentWindow.document; iframedoc.write("