<!DOCTYPE html>
<html>
<body>
<form>
<label id="myLabel" for="male">Male</label>
<input type="radio" name="sex" id="male" value="male"><br>
</form>
<p>Click the "Try it" button to change the value of the for attribute of the label.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myLabel").htmlFor = "newValue";
document.getElementById("demo").innerHTML = "The value of the for attribute was changed from 'male' to 'newValue'.";
}
</script>
</body>
</html>