<html>
<body>
<p id="name">JohnnyG</p>
<p id="age">25</p>
<button onclick="generate()">Generate a username</button>
<p id="username"></p>
<script>
function generate() {
var name = document.getElementById("name").innerHTML;
var age = document.getElementById("age").innerHTML;
var username = name + "_" + age;
document.getElementById("username").innerHTML = username;
}
</script>
</body>
</html>
]]>Great work! Hit the button to see the function in action.
Make sure to code = username
.