​x
 
1
<!DOCTYPE html>
2
<title>My Example</title>
3
​
4
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
5
<script>
6
  $( function() {
7
    $( "button" ).click( function() {
8
      $( ".warning p" ).text( "Hey! I thought I warned you not to do that!" );
9
    });
10
  });
11
</script>
12
​
13
<button>Click me!</button>
14
<div class="warning">
15
  <p>Don't do it!</p>
16
</div>