jquery first item hide

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>title</title>
    <link rel="stylesheet" href="style.css">
    <!-- <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> -->
    <script src="jquery-1.7.1.js"></script>
    <style>
    </style>
</head>
<body>
<div class="container">
    <dl>
        <dt>What is going today</dt>
        <dd>Its going fine</dd>
        <dt>What is going today</dt>
        <dd>Its going fine</dd>
        <dt>What is going today</dt>
        <dd>Its going fine</dd>
        <dt>What is going today</dt>
        <dd>Its going fine</dd>
        <dt>What is going today</dt>
        <dd>Its going fine</dd>
    </dl>
</div>
<script>
    (function(){
        $('dd').filter(':nth-child(n+4)').hide();
    })()
</script>
</body>
</html>