1 <!-- BEGIN AUTHORED CONTENT --> 2 <p id="classSummary"> 3 The <code>chrome.extension</code> module 4 has utilities that can be used by any extension page. 5 It includes support for exchanging messages 6 between an extension and its content scripts 7 or between extensions, 8 as described in detail in 9 <a href="messaging.html">Message Passing</a>. 10 </p> 11 12 <h2 id="content scripts">Support for content scripts</h2> 13 <p> 14 Unlike the other chrome.* APIs, 15 parts of <code>chrome.extension</code> 16 can be used by content scripts: 17 </p> 18 19 <dl> 20 <dt> 21 <a href="#method-sendRequest"><code>sendRequest()</code></a> and 22 <a href="#event-onRequest"><code>onRequest</code></a> 23 </dt> 24 <dd> 25 Simple communication with extension pages 26 </dd> 27 <dt> 28 <a href="#method-connect"><code>connect()</code></a> and 29 <a href="#event-onConnect"><code>onConnect</code></a> 30 </dt> 31 <dd> 32 Extended communication with extension pages 33 </dd> 34 <dt> 35 <a href="#method-getURL"><code>getURL()</code></a> 36 </dt> 37 <dd> 38 Access to extension resources such as image files 39 </dd> 40 </dl> 41 42 <p> 43 For details, see 44 <a href="content_scripts.html">Content Scripts</a>. 45 </p> 46 47 <!-- END AUTHORED CONTENT --> 48
