You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <logevents lecontinue="20150226192456|373" />
  </query-continue>
  <query>
    <logevents>
      <item logid="383" ns="8" title="MediaWiki:Sidebar" pageid="4" logpage="4" type="patrol" action="patrol" user="Uneedadv" timestamp="2016-09-09T06:59:35Z" comment="">
        <patrol cur="379" prev="378" auto="1" />
      </item>
      <item logid="382" ns="8" title="MediaWiki:Sidebar" pageid="4" logpage="4" type="patrol" action="patrol" user="Uneedadv" timestamp="2016-02-03T17:28:37Z" comment="">
        <patrol cur="378" prev="377" auto="1" />
      </item>
      <item logid="381" ns="8" title="MediaWiki:Sidebar" pageid="4" logpage="4" type="patrol" action="patrol" user="Uneedadv" timestamp="2016-02-03T17:23:45Z" comment="">
        <patrol cur="377" prev="376" auto="1" />
      </item>
      <item logid="380" ns="8" title="MediaWiki:Sidebar" pageid="4" logpage="4" type="patrol" action="patrol" user="Uneedadv" timestamp="2015-08-08T09:54:50Z" comment="">
        <patrol cur="376" prev="364" auto="1" />
      </item>
      <item logid="379" ns="10" title="Template:廣告模版" pageid="16" logpage="16" type="patrol" action="patrol" user="Uneedadv" timestamp="2015-07-02T14:35:53Z" comment="">
        <patrol cur="375" prev="372" auto="1" />
      </item>
      <item logid="378" ns="6" title="File:商情百科20150702.gif" pageid="146" logpage="146" type="protect" action="protect" user="Uneedadv" timestamp="2015-07-02T14:35:40Z" comment="">
        <param>‎[edit=sysop] (無限期)‎[move=sysop] (無限期)‎[upload=sysop] (無限期)</param>
        <param />
      </item>
      <item logid="377" ns="6" title="File:商情百科20150702.gif" pageid="146" logpage="146" img_sha1="fgkr0zfk8azg8mp4wnbt385uy5fr1uk" img_timestamp="2015-07-02T14:35:23Z" type="upload" action="upload" user="Uneedadv" timestamp="2015-07-02T14:35:23Z" comment="" />
      <item logid="376" ns="10" title="Template:廣告模版" pageid="16" logpage="16" type="patrol" action="patrol" user="Uneedadv" timestamp="2015-06-24T15:18:18Z" comment="">
        <patrol cur="372" prev="369" auto="1" />
      </item>
      <item logid="375" ns="6" title="File:鄭鴻文(書法家).jpg" pageid="145" logpage="145" type="protect" action="protect" user="Uneedadv" timestamp="2015-06-24T15:17:53Z" comment="">
        <param>‎[edit=sysop] (無限期)‎[move=sysop] (無限期)‎[upload=sysop] (無限期)</param>
        <param />
      </item>
      <item logid="374" ns="6" title="File:鄭鴻文(書法家).jpg" pageid="145" logpage="145" img_sha1="1eqh64ehyswrilwsbi7bbf0yjvnngmt" img_timestamp="2015-06-24T15:17:22Z" type="upload" action="upload" user="Uneedadv" timestamp="2015-06-24T15:17:23Z" comment="" />
    </logevents>
  </query>
</api>