Editing Courses/Design & Technique-Essential Web Design/Q2/Example/Form

Receive user text input in a form input. Use it in the variable firstName

Example: http://publicationstation.wdka.hro.nl/go-student/examples/user-txt-input.html

Code:
<source lang="html4strict">
<!DOCTYPE html>
<html><head>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
    <script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<style>
 
form{width: 50%;}
input{padding: 6px; width:50%; border: 2px solid #ccc; margin-top: 1em; color: #000;}
input:focus{border: 2px solid yellow;  background-color: rgba(0, 0, 0, 0.75); color: white; font-weight: bold;}
input[type="submit"]{font-weight: bold; width: auto;  }
input[type="submit"]:focus{ color: yellow; background-color: rgba(0, 0, 0, 0.75);}
#instruction{display: none; }
</style>
</head>
<body>
<h1 id="question">Tell me you name...</h1>
<form id="greeting">
  <input name="firstName" id="firstName" required="" placeholder="Your first name" type="text"><br>
  <input value="Send" type="submit">
</form>
    <h2 id="instruction">Now <span class="userName"></span>, I want you to walk 10 steps away from where you are now.</h2>
 
 
<script>
    var firstName; // variable that will store user name
    $("form#greeting").submit(function(event){
        console.log( $('#firstName').val() );
        firstName = $('#firstName').val();
 
        event.preventDefault();
        $("#firstName").val(''); //clean input#firstName
        $('form, #question').css('display', 'none'); //hide form
        $('#instruction').css('display', 'block'); //show instruction
        $('span.userName').text(firstName); //Add name to span.userName
 
    })
 
</script>
</body></html>
</source>