<body oninput="i.srcdoc=h.value+'<style>'+c.value+'</style><script>'+j.value+'</script>'"><style>html,body{height:100%}button{position:fixed;right:0}textarea,iframe{width:100%;height:50%;box-sizing:border-box}body{margin:0}textarea{width:33.33%;font-size:18px}</style><textarea placeholder=HTML id=h></textarea><textarea placeholder=CSS id=c></textarea><textarea placeholder=JS id=j></textarea><iframe id=i></iframe><button onclick="prompt('','https://itty.bitty.site/#/data:text/html;charset=utf-8,'+i.srcdoc)">share
