Online jQuery UI Editor

<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>\r\n<script>\r\n$(document).ready(function(){\r\n$("button").click(function(){\r\ndocument.getElementById("demo").innerHTML = "<br>Inner Width of DIV = " + $("div").innerWidth()\r\n});\r\n});\r\n</script>\r\n</head>\r\n<body>\r\n<h2>Demo Box</h2>\r\n<div style="height:150px;width:450px;padding:10px;margin:2px;background-color:green;"></div><br>\r\n<button>Inner Width of div</button>\r\n<p id="demo"></p>\r\n</body>\r\n</html>