<p>JsFiddle is a prototyping tool for web developers, a tool which may be used in many ways.</p><p>It  can be used as an online editor for snippets build from HTML, CSS and JavaScript.</p><p>The code can then be shared with others, embedded on a blog, etc.</p><p>Using this approach, JavaScript developers can very easily isolate bugs. We aim to support all actively developed frameworks - it helps with testing compatibility.</p>