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|
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<h1 class="page_title">chrome.experimental.devtools.inspectedWindow.* APIs</h1>
</div>
<!-- TABLE OF CONTENTS -->
<div id="toc">
<h2>Contents</h2>
<ol>
<li>
<a href="#H2-0">Notes</a>
<ol>
<li style="display: none; ">
<a>h3Name</a>
</li>
</ol>
</li><li>
<a href="#overview-examples">Examples</a>
<ol>
<li style="display: none; ">
<a>h3Name</a>
</li>
</ol>
</li>
<li>
<a href="#apiReference">API reference: chrome.experimental.devtools.inspectedWindow</a>
<ol>
<li>
<a href="#properties">Properties</a>
<ol>
<li>
<a href="#property-tabId">tabId</a>
</li>
</ol>
</li>
<li>
<a href="#global-methods">Methods</a>
<ol>
<li>
<a href="#method-eval">eval</a>
</li><li>
<a href="#method-reload">reload</a>
</li>
</ol>
</li>
<li style="display: none; ">
<a>Events</a>
<ol>
<li>
<a href="#event-anchor">eventName</a>
</li>
</ol>
</li>
<li style="display: none; ">
<a href="#types">Types</a>
<ol>
<li>
<a href="#id-anchor">id</a>
</li>
</ol>
</li>
</ol>
</li>
</ol>
</div>
<!-- /TABLE OF CONTENTS -->
<!-- Standard content lead-in for experimental API pages -->
<p id="classSummary">
For information on how to use experimental APIs, see the <a href="experimental.html">chrome.experimental.* APIs</a> page.
</p>
<!-- STATIC CONTENT PLACEHOLDER -->
<div id="static"><div id="pageData-name" class="pageData">chrome.experimental.devtools.inspectedWindow.* APIs</div>
<p>
Use <code>chrome.experimental.devtools.inspectedWindow</code> to interact with
the inspected window: obtain tab ID for the inspected page, evaluate the code
in the context of inspected window, reload the page.
</p><p>
See <a href="experimental.devtools.html">DevTools APIs summary</a> for
general introduction to using Developer Tools APIs.
</p>
<a name="H2-0"></a><h2>Notes</h2>
<p>
The <a href="#property-tabId"><code>tabId</code></a> property
provides tab identifier that may be used with the <a href="tabs.html">
<code>chrome.tabs.*</code></a> API calls.
However, please note that <code>chrome.tabs.*</code> API is not
exposed to the Developer Tools extension pages due to security considerations
— you will need to pass the tab ID to the background page and invoke
the <code>chrome.tabs.*</code> API functions from there.
</p><p></p>
The <code>eval()</code> provides the ability for extensions to execute
JavaScript code in the context of the main frame of the inspected page.
This function is different from
<code>chrome.tabs.executeScript()</code> in the following aspects:
<p></p><ul>
<li>The <code>eval()</code> does not
use an isolated world for the code being evaluated, so the JavaScript state
of the inspected window is accessible to the code.
</li><li>
The evaluated code may return a value that is passed to the extension callback.
The returned value has to be a valid JSON object (i.e. may contain only
primitive JavaScript types and acyclic references to other JSON
objects).
<em>Please observe extra care while processing the data received from the
inspected page — the execution context is essentially controlled by the
inspected page; a malicious page may affect the data being returned to the
extension.</em>
</li><li>
The execution context of the code being evaluated includes the
<a href="http://code.google.com/chrome/devtools/docs/console.html">Developer
Tools console API</a> (e.g. <code>inspect()</code>, <code>$0</code> etc).
</li>
</ul>
<p class="caution">
<strong>Important:</strong>
Due to the security considerations explained above,
<a href="tabs.html#method-executeScript"><code>chrome.tabs.executeScript()</code></a> is the preferred way for an extension
to access DOM data of the inspected page in cases where the access to
JavaScript state of the inspected page is not required.
</p><p>
The <code>reload()</code> may be used to reload the inspected page.
Additionally, a user agent string may be specifcied, which will cause Chrome
to use the given string in the User-Agent HTTP header while fetching the page
and its resources, and return it to the scripts running in that page.
</p>
<h2 id="overview-examples">Examples</h2>
<p>The following code checks for the version of jQuery used by the inspected
page:
</p><pre>chrome.experimental.devtools.inspectedWindow.eval(
"jQuery.fn.jquery",
function(result, isException) {
if (isException)
console.log("the page is not using jQuery");
else
console.log("The page is using jQuery v" + result);
}
);
</pre>
<p>
You can find more examples that use Developer Tools APIs in
<a href="samples.html#devtools">Samples</a>.
</p>
</div>
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<h2>API reference: chrome.experimental.devtools.inspectedWindow</h2>
<!-- PROPERTIES -->
<div class="apiGroup">
<a name="properties"></a>
<h3 id="properties">Properties</h3>
<div>
<a name="property-tabId"></a>
<h4>tabId</h4>
<div class="summary">
<!-- Note: intentionally longer 80 columns -->
<span>chrome.experimental.devtools.inspectedWindow.</span><span>tabId</span>
</div>
<div>
<dt>
<var>tabId</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional" style="display: none; ">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>integer</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>The ID of the tab being inspected. This ID may be used with chrome.tabs.* API.</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div>
</div> <!-- /apiGroup -->
<!-- METHODS -->
<div id="methodsTemplate" class="apiGroup">
<a name="global-methods"></a>
<h3>Methods</h3>
<!-- iterates over all functions -->
<div class="apiItem">
<a name="method-eval"></a> <!-- method-anchor -->
<h4>eval</h4>
<div class="summary"><span style="display: none; ">void</span>
<!-- Note: intentionally longer 80 columns -->
<span>chrome.experimental.devtools.inspectedWindow.eval</span>(<span class="null"><span style="display: none; ">, </span><span>string</span>
<var><span>expression</span></var></span><span class="null"><span>, </span><span>function</span>
<var><span>callback</span></var></span>)</div>
<div class="description">
<p class="todo" style="display: none; ">Undocumented.</p>
<p>Evaluates a JavaScript expression in the context of the main frame of the inspected page. The expression must evaluate to a JSON-compliant object, otherwise an exception is thrown.</p>
<!-- PARAMETERS -->
<h4>Parameters</h4>
<dl>
<div>
<div>
<dt>
<var>expression</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional" style="display: none; ">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>string</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>An expression to evaluate.</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div><div>
<div>
<dt>
<var>callback</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional" style="display: none; ">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>function</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>A function called when evaluation completes.</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div>
</dl>
<!-- RETURNS -->
<h4 style="display: none; ">Returns</h4>
<dl>
<div style="display: none; ">
<div>
</div>
</div>
</dl>
<!-- CALLBACK -->
<div>
<div>
<h4>Callback function</h4>
<p>
The callback <em>parameter</em> should specify a function
that looks like this:
</p>
<p style="display: none; ">
If you specify the <em>callback</em> parameter, it should
specify a function that looks like this:
</p>
<!-- Note: intentionally longer 80 columns -->
<pre>function(<span>object result, boolean isException</span>) <span class="subdued">{...}</span>;</pre>
<dl>
<div>
<div>
<dt>
<var>result</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional" style="display: none; ">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>object</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>The result of evaluation.</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div><div>
<div>
<dt>
<var>isException</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional" style="display: none; ">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>boolean</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>Set if an exception was caught while evaluating the expression</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div>
</dl>
</div>
</div>
<!-- MIN_VERSION -->
<p style="display: none; ">
This function was added in version <b><span></span></b>.
If you require this function, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</p>
</div> <!-- /description -->
</div><div class="apiItem">
<a name="method-reload"></a> <!-- method-anchor -->
<h4>reload</h4>
<div class="summary"><span style="display: none; ">void</span>
<!-- Note: intentionally longer 80 columns -->
<span>chrome.experimental.devtools.inspectedWindow.reload</span>(<span class="optional"><span style="display: none; ">, </span><span>string</span>
<var><span>userAgent</span></var></span>)</div>
<div class="description">
<p class="todo" style="display: none; ">Undocumented.</p>
<p>Reloads the inspected page, optionally setting override for the user agent string.</p>
<!-- PARAMETERS -->
<h4>Parameters</h4>
<dl>
<div>
<div>
<dt>
<var>userAgent</var>
<em>
<!-- TYPE -->
<div style="display:inline">
(
<span class="optional">optional</span>
<span class="enum" style="display: none; ">enumerated</span>
<span id="typeTemplate">
<span style="display: none; ">
<a> Type</a>
</span>
<span>
<span style="display: none; ">
array of <span><span></span></span>
</span>
<span>string</span>
<span style="display: none; "></span>
</span>
</span>
)
</div>
</em>
</dt>
<dd class="todo" style="display: none; ">
Undocumented.
</dd>
<dd>A user agent override string.</dd>
<dd style="display: none; ">
This parameter was added in version
<b><span></span></b>.
You must omit this parameter in earlier versions,
and you may omit it in any version. If you require this
parameter, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</dd>
<!-- OBJECT PROPERTIES -->
<dd style="display: none; ">
<dl>
<div>
<div>
</div>
</div>
</dl>
</dd>
<!-- OBJECT METHODS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- OBJECT EVENT FIELDS -->
<dd style="display: none; ">
<div></div>
</dd>
<!-- FUNCTION PARAMETERS -->
<dd style="display: none; ">
<div></div>
</dd>
</div>
</div>
</dl>
<!-- RETURNS -->
<h4 style="display: none; ">Returns</h4>
<dl>
<div style="display: none; ">
<div>
</div>
</div>
</dl>
<!-- CALLBACK -->
<div style="display: none; ">
<div>
<h4>Callback function</h4>
<p>
The callback <em>parameter</em> should specify a function
that looks like this:
</p>
<p>
If you specify the <em>callback</em> parameter, it should
specify a function that looks like this:
</p>
<!-- Note: intentionally longer 80 columns -->
<pre>function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>;</pre>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div>
</div>
<!-- MIN_VERSION -->
<p style="display: none; ">
This function was added in version <b><span></span></b>.
If you require this function, the manifest key
<a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a>
can ensure that your extension won't be run in an earlier browser version.
</p>
</div> <!-- /description -->
</div> <!-- /apiItem -->
</div> <!-- /apiGroup -->
<!-- EVENTS -->
<div id="eventsTemplate" class="apiGroup" style="display: none; ">
<a></a>
<h3>Events</h3>
<!-- iterates over all events -->
<div class="apiItem">
<a></a>
<h4>event name</h4>
<div class="summary">
<!-- Note: intentionally longer 80 columns -->
<span class="subdued">chrome.bookmarks</span><span>onEvent</span><span class="subdued">.addListener</span>(function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span><span>, Type opt_param1, Type opt_param2</span>);
</div>
<div class="description">
<p class="todo">Undocumented.</p>
<p>
A description from the json schema def of the event goes here.
</p>
<!-- LISTENER PARAMETERS -->
<div>
<h4>Listener parameters</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div>
<!-- EXTRA PARAMETERS -->
<div>
<h4>Extra parameters to addListener</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div>
<!-- LISTENER RETURN VALUE -->
<h4>Listener returns</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div> <!-- /description -->
</div> <!-- /apiItem -->
</div> <!-- /apiGroup -->
<!-- TYPES -->
<div class="apiGroup" style="display: none; ">
<a name="types"></a>
<h3 id="types">Types</h3>
<!-- iterates over all types -->
<div class="apiItem">
<a></a>
<h4>type name</h4>
<div>
</div>
</div> <!-- /apiItem -->
</div> <!-- /apiGroup -->
</div> <!-- /apiPage -->
</div> <!-- /gc-pagecontent -->
</div> <!-- /g-section -->
</div> <!-- /codesiteContent -->
<div id="gc-footer" --="">
<div class="text">
<p>
Except as otherwise <a href="http://code.google.com/policies.html#restrictions">noted</a>,
the content of this page is licensed under the <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons
Attribution 3.0 License</a>, and code samples are licensed under the
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