Demo Code

<pre class='brush:js;'>
 &lt;script type=&quot;text/javascript&quot;&gt;
 var d = new Date();
 var time = d.getHours();

 if (time &lt; 10) {
 document.write(&quot;&lt;b&gt;Good morning&lt;/b&gt;&quot;);
 } else {
 document.write(&quot;&lt;b&gt;Good day&lt;/b&gt;&quot;);
 }
 &lt;/script&gt;
 </pre>