<!DOCTYPE html>
<html>
<head>
<title>Title of the Document</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.0/jquery.min.js"></script>
</head>
<body>
<h1 style="color:red">Red text </h1>
<button>Remove</button>
<script>
$(document).ready(function() {
$("button").click(function() {
$("h1").removeAttr("style");
});
});
</script>
</body>
</html>