xxxxxxxxxx
W3Schools tryit editor is great in my opinion: w3schools.com/tryit
xxxxxxxxxx
<!DOCTYPE html>
<html>
<body>
<!-- Your HTML code goes here -->
<h1>Hello, World!</h1>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.2.0/umd/react.development.js"></script>
<style>
/* Your CSS code goes here */
body {
background-color: lightgray;
padding: 20px;
}
</style>
</body>
</html>
xxxxxxxxxx
<!DOCTYPE html>
<html>
<head>
<title>Online HTML Code Runner</title>
</head>
<body>
<h1>Online HTML Code Runner</h1>
<h3>Enter your HTML code below:</h3>
<textarea id="inputCode" style="width: 100%; height: 300px;"></textarea>
<button onclick="runCode()">Run</button>
<h3>Output:</h3>
<div id="output"></div>
<script>
function runCode() {
var code = document.getElementById("inputCode").value;
document.getElementById("output").innerHTML = code;
eval(code); // Execute the HTML code
}
</script>
</body>
</html>