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  <title>added parameter in url of javascript file in portlet</title>
  <link rel="self" href="https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&amp;threadId=30733490" />
  <subtitle>added parameter in url of javascript file in portlet</subtitle>
  <id>https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&amp;threadId=30733490</id>
  <updated>2026-05-11T16:21:17Z</updated>
  <dc:date>2026-05-11T16:21:17Z</dc:date>
  <entry>
    <title>RE: added parameter in url of javascript file in portlet</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=42282825" />
    <author>
      <name>Olaf Kock</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=42282825</id>
    <updated>2014-09-04T13:52:59Z</updated>
    <published>2014-09-04T13:52:59Z</published>
    <summary type="html">Parameters like the given one (a timestamp) are typically used to specifically make content cacheable: While a file named myFile.js might update, so you can&amp;#39;t cache it for eternity, a file that has its timestamp in the URL can be cached for eternity, because it will get a new timestamp once it&amp;#39;s updated.&lt;br /&gt;&lt;br /&gt;The &amp;#34;javascript.fast.load&amp;#34; parameter typically concatenates all js files into a single one (and minifies it) so that you get all JS with a single http request, which is dramatically faster than sending 30 (or however many) individual requests.</summary>
    <dc:creator>Olaf Kock</dc:creator>
    <dc:date>2014-09-04T13:52:59Z</dc:date>
  </entry>
  <entry>
    <title>RE: added parameter in url of javascript file in portlet</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=31307560" />
    <author>
      <name>major major</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=31307560</id>
    <updated>2013-11-10T15:09:48Z</updated>
    <published>2013-11-10T15:09:48Z</published>
    <summary type="html">Thanks but it didn&amp;#39;t work for me&lt;img alt="emoticon" src="@theme_images_path@/emoticons/sad.gif" &gt;</summary>
    <dc:creator>major major</dc:creator>
    <dc:date>2013-11-10T15:09:48Z</dc:date>
  </entry>
  <entry>
    <title>RE: added parameter in url of javascript file in portlet</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=30821858" />
    <author>
      <name>Antoine Comble</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=30821858</id>
    <updated>2013-10-25T12:44:37Z</updated>
    <published>2013-10-25T12:44:37Z</published>
    <summary type="html">Hi,&lt;br /&gt;&lt;br /&gt;I think Liferay adds it to not cache our js file in your browser.&lt;br /&gt;In portal-developer.properties file, a key exists to avoid this :&lt;br /&gt;{code}&lt;br /&gt;javascript.fast.load=true&lt;br /&gt;javascript.log.enabled=false&lt;br /&gt;{code}&lt;br /&gt;&lt;br /&gt;Hope thi help you,&lt;br /&gt;&lt;br /&gt;Antoine</summary>
    <dc:creator>Antoine Comble</dc:creator>
    <dc:date>2013-10-25T12:44:37Z</dc:date>
  </entry>
  <entry>
    <title>added parameter in url of javascript file in portlet</title>
    <link rel="alternate" href="https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=30733489" />
    <author>
      <name>major major</name>
    </author>
    <id>https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&amp;messageId=30733489</id>
    <updated>2013-10-23T08:09:24Z</updated>
    <published>2013-10-23T08:09:24Z</published>
    <summary type="html">Im using Liferay 6.06.&lt;br /&gt;I wrote this line in jsp file in a portlet:&lt;br /&gt;&lt;strong&gt;&amp;lt;script type=&amp;#34;text/javascript&amp;#34; src=&amp;#34;&amp;lt;%=request.getContextPath()%&amp;gt;/js/myfile.js&amp;#34;&amp;gt;&amp;lt;/script&amp;gt;&lt;/strong&gt;&lt;br /&gt;The url of the file in the broswer is like this:&lt;br /&gt;&lt;strong&gt;/js/myfile.js?_=1382519010094&lt;/strong&gt;&lt;br /&gt;why liferay add &lt;strong&gt;_=1382519010094&lt;/strong&gt; to the url?</summary>
    <dc:creator>major major</dc:creator>
    <dc:date>2013-10-23T08:09:24Z</dc:date>
  </entry>
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