jQuery key up
by pvukovic
HTML
<input id="name" placeholder='Type your name'>
<h2>Welcome </h2>
<h2 id="user-name"></h2>
CSS
h2 {
display:inline-block;
}
JavaScript
$("#name").keyup(updateName)
function updateName() {
var name=$("#name").val();
$("#user-name").text(name);
}