MiniCodeEditor
March 2013 - October 2017
A HTML/CSS/JS sandbox (like codepen or jsfiddle) in just 62b/142b. (enhanced during #golfctober 2017)
It's been our most successful mini app so far! (#1 on Hacker News for one day)
- Website
- 62b demo
<iframe id=f></iframe><textarea oninput=f.srcdoc=value rows=9>
<iframe onload='id++<3?outerHTML+=`<textarea oninput="f[${id}]=value;f.srcdoc=f[3]+\`<script>\${f[1]}</script><style>\`+f[2]"rows=9>`:id="f"'>