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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link href="stable/static/css/site.css" rel="stylesheet" type="text/css">
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<title>chrome.debugger - chrome插件中文开发文档(非官方)</title>
</head>
<body>
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<h1>Google Chrome Extensions</h1>
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<div id="gc-pagecontent">
<h1 class="page_title">chrome.debugger</h1>
<div id="toc">
<h2>Contents</h2>
<ol>
<li>
<a href=#manifest>Notes</a>
</li>
<li>
<a href=#manifest>Manifest</a>
</li>
<li>
<a href=#examples>Examples</a>
</li>
<li>
<a href="#apiReference">API reference: chrome.debugger</a>
<ol>
<li><a href="#types">Types</a><ol> <li> <a href="#type-Debuggee">Debuggee</a> </li></ol></li>
<li><a href="#methods">Methods</a><ol> <li><a href="#method-attach">attach</a></li> <li><a href="#method-detach">detach</a></li> <li><a href="#method-sendCommand">sendCommand</a></li></ol></li>
<li><a href="#events">Events</a><ol> <li><a href="#event-onEvent">onEvent</a></li> <li><a href="#event-onDetach">onDetach</a></li></ol></li>
<li><a href="#samples">Sample Extensions</a></li>
</ol>
</li>
</ol>
</div>
<h2 id="manifest">Notes</h2>
<p>
Debugger API serves as an alternate transport for Chrome's
<a href="http://code.google.com/chrome/devtools/docs/remote-debugging.html">
remote debugging protocol</a>. Use <code>chrome.debugger</code>
to attach to one or more tabs to instrument network interaction, debug
JavaScript, mutate the DOM and CSS, etc. Use the Debuggee tabId to target tabs
with sendCommand and route events by <code>tabId</code> from onEvent callbacks.
</p>
<p>
As of today, attaching to the tab by means of the debugger API
and using embedded Chrome DevTools with that tab are mutually exclusive.
If user invokes Chrome DevTools while extension is attached to the tab,
debugging session is terminated. Extension can re-establish it later.
</p>
<h2 id="manifest">Manifest</h2>
<p>
You must declare the "debugger" permission in your extension's manifest
to use this API.
</p>
<pre>{
"name": "My extension",
...
<b> "permissions": [
"debugger",
]</b>,
...
}</pre>
<h2 id="examples">Examples</h2>
<p>
You can find samples of this API in
<a href="samples.html#debugger">Samples</a>.
</p>
<h2 id="apiReference">API Reference: chrome.debugger</h2>
<div class="api_reference">
<h3 id="types">Types</h3>
<div>
<h3 id="type-Debuggee">Debuggee</h3>
<div>
<dt><span class="type_name"> ( <span id="typeTemplate">object</span> )</span></dt>
<dd>
Debuggee identifier.
</dd> <h4 id="Debuggee-properties">
Properties of <a href="#type-Debuggee">Debuggee</a>
</h4>
<dd><dl> <div>
<a name="property-Debuggee-tabId"></a>
<dt>
<span class="variable">tabId</span>
<span class="property">
(
<span id="typeTemplate">integer</span>
)
</span>
</dt>
<dd>
The id of the tab which you intend to debug.
</dd>
</div>
</dl></dd>
</div>
</div>
<h3 id="methods">Methods</h3>
<div>
<h4 id="method-attach">attach</h4>
<div class="summary lower">
<span>chrome.debugger.attach</span>(<span><a href="debugger.html#type-Debuggee">Debuggee</a> <span class="variable">target</span></span>, <span>string <span class="variable">requiredVersion</span></span>)
</div>
<div class="description">
<p>
Attaches debugger to the given target.
</p> <h4>Parameters</h4>
<dl>
<div> <a name="property-attach-target"></a> <dt> <span class="variable">target</span> <span class="property"> ( <span id="typeTemplate"><a href="debugger.html#type-Debuggee">Debuggee</a></span> ) </span> </dt> <dd> Debugging target to which you want to attach. </dd></div><div> <a name="property-attach-requiredVersion"></a> <dt> <span class="variable">requiredVersion</span> <span class="property"> ( <span id="typeTemplate">string</span> ) </span> </dt> <dd> Required debugging protocol version ("0.1"). One can only attach to the debuggee with matching major version and greater or equal minor version. List of the protocol versions can be obtained <a href='http://code.google.com/chrome/devtools/docs/remote-debugging.html'>here</a>. </dd></div>
</dl>
<h4>Callback function</h4><p> If you specify the <em>callback</em> parameter, it should specify a function that looks like this:</p><pre>function() <span class="subdued">{...}</span>;</pre><dl> </dl>
</div>
</div>
<div>
<h4 id="method-detach">detach</h4>
<div class="summary lower">
<span>chrome.debugger.detach</span>(<span><a href="debugger.html#type-Debuggee">Debuggee</a> <span class="variable">target</span></span>)
</div>
<div class="description">
<p>
Detaches debugger from the given target.
</p> <h4>Parameters</h4>
<dl>
<div> <a name="property-detach-target"></a> <dt> <span class="variable">target</span> <span class="property"> ( <span id="typeTemplate"><a href="debugger.html#type-Debuggee">Debuggee</a></span> ) </span> </dt> <dd> Debugging target from which you want to detach. </dd></div>
</dl>
<h4>Callback function</h4><p> If you specify the <em>callback</em> parameter, it should specify a function that looks like this:</p><pre>function() <span class="subdued">{...}</span>;</pre><dl> </dl>
</div>
</div>
<div>
<h4 id="method-sendCommand">sendCommand</h4>
<div class="summary lower">
<span>chrome.debugger.sendCommand</span>(<span><a href="debugger.html#type-Debuggee">Debuggee</a> <span class="variable">target</span></span>, <span>string <span class="variable">method</span></span>, <span class="optional">object <span class="variable">commandParams</span></span>)
</div>
<div class="description">
<p>
Sends given command to the debugging target.
</p> <h4>Parameters</h4>
<dl>
<div> <a name="property-sendCommand-target"></a> <dt> <span class="variable">target</span> <span class="property"> ( <span id="typeTemplate"><a href="debugger.html#type-Debuggee">Debuggee</a></span> ) </span> </dt> <dd> Debugging target to which you want to send the command. </dd></div><div> <a name="property-sendCommand-method"></a> <dt> <span class="variable">method</span> <span class="property"> ( <span id="typeTemplate">string</span> ) </span> </dt> <dd> Method name. Should be one of the methods defined by the <a href='http://code.google.com/chrome/devtools/docs/remote-debugging.html'>remote debugging protocol</a>. </dd></div><div> <a name="property-sendCommand-commandParams"></a> <dt> <span class="variable">commandParams</span> <span class="property"> ( <span class="optional">optional</span> <span id="typeTemplate">object</span> ) </span> </dt> <dd> JSON object with request parameters. This object must conform to the remote debugging params scheme for given method. </dd></div>
</dl>
<h4>Callback function</h4><p> If you specify the <em>callback</em> parameter, it should specify a function that looks like this:</p><pre>function(object result) <span class="subdued">{...}</span>;</pre><dl> <div> <a name="property-callback-result"></a> <dt> <span class="variable">result</span> <span class="property"> ( <span class="optional">optional</span> <span id="typeTemplate">object</span> ) </span> </dt> <dd> JSON object with the response. Structure of the response varies depending on the method and is defined by the remote debugging protocol. </dd></div></dl>
</div>
</div>
<h3 id="events">Events</h3>
<div>
<h4 id="event-onEvent">onEvent</h4>
<div class="summary">
<span class="subdued">chrome.debugger.</span>onEvent<span class="subdued">.addListener</span>(function(<span><a href="debugger.html#type-Debuggee">Debuggee</a> <span class="variable">source</span></span>, <span>string <span class="variable">method</span></span>, <span class="optional">object <span class="variable">params</span></span>)<span class="subdued"> {...}</span>);
</div>
<div class="description">
<p>
Fired whenever debugging target issues instrumentation event.
</p> <h4>Listener Parameters</h4>
<dl>
<div> <a name="property-onEvent-source"></a> <dt> <span class="variable">source</span> <span class="property"> ( <span id="typeTemplate"><a href="debugger.html#type-Debuggee">Debuggee</a></span> ) </span> </dt> <dd> The debuggee that generated this event. </dd></div><div> <a name="property-onEvent-method"></a> <dt> <span class="variable">method</span> <span class="property"> ( <span id="typeTemplate">string</span> ) </span> </dt> <dd> Method name. Should be one of the notifications defined by the <a href='http://code.google.com/chrome/devtools/docs/remote-debugging.html'>remote debugging protocol</a>. </dd></div><div> <a name="property-onEvent-params"></a> <dt> <span class="variable">params</span> <span class="property"> ( <span class="optional">optional</span> <span id="typeTemplate">object</span> ) </span> </dt> <dd> JSON object with the response. Structure of the response varies depending on the method and is defined by the remote debugging protocol. </dd></div>
</dl>
</div>
</div>
<div>
<h4 id="event-onDetach">onDetach</h4>
<div class="summary">
<span class="subdued">chrome.debugger.</span>onDetach<span class="subdued">.addListener</span>(function(<span><a href="debugger.html#type-Debuggee">Debuggee</a> <span class="variable">source</span></span>)<span class="subdued"> {...}</span>);
</div>
<div class="description">
<p>
Fired when browser terminates debugging session for the tab. This happens when either the tab is being closed or Chrome DevTools is being invoked for the attached tab.
</p> <h4>Listener Parameters</h4>
<dl>
<div> <a name="property-onDetach-source"></a> <dt> <span class="variable">source</span> <span class="property"> ( <span id="typeTemplate"><a href="debugger.html#type-Debuggee">Debuggee</a></span> ) </span> </dt> <dd> The debuggee that was detached. </dd></div>
</dl>
</div>
</div>
</div>
<h2 id="samples">Sample Extensions that use chrome.debugger</h2>
<li><strong><a href="samples.html#f447d4d0c667a4f72ef8c6190e7925d7">Live HTTP headers</a></strong> –
Displays the live log with the http requests headers
</li>
<li><strong><a href="samples.html#812b7fe611113aedf0a394e9fbbfcce1">JavaScript pause/resume</a></strong> –
Pauses / resumes JavaScript execution
</li>
</div>
</div>
</body>
<script>
window.bootstrap = {
api_names: [{"name":"alarms"},{"name":"bookmarks"},{"name":"browserAction"},{"name":"browsingData"},{"name":"commands"},{"name":"contentSettings"},{"name":"contextMenus"},{"name":"cookies"},{"name":"debugger"},{"name":"declarativeWebRequest"},{"name":"devtools.inspectedWindow"},{"name":"devtools.network"},{"name":"devtools.panels"},{"name":"downloads"},{"name":"events"},{"name":"extension"},{"name":"fileBrowserHandler"},{"name":"fontSettings"},{"name":"history"},{"name":"i18n"},{"name":"idle"},{"name":"input.ime"},{"name":"management"},{"name":"omnibox"},{"name":"pageAction"},{"name":"pageCapture"},{"name":"permissions"},{"name":"privacy"},{"name":"proxy"},{"name":"runtime"},{"name":"scriptBadge"},{"name":"storage"},{"name":"tabs"},{"name":"topSites"},{"name":"tts"},{"name":"ttsEngine"},{"name":"types"},{"name":"webNavigation"},{"name":"webRequest"},{"name":"webstore"},{"last":true,"name":"windows"}].concat(
[{"name":"experimental.bluetooth"},{"name":"experimental.devtools.audits"},{"name":"experimental.devtools.console"},{"name":"experimental.discovery"},{"name":"experimental.identity"},{"name":"experimental.infobars"},{"name":"experimental.offscreenTabs"},{"name":"experimental.processes"},{"name":"experimental.record"},{"name":"experimental.speechInput"},{"name":"experimental.systemInfo.cpu"},{"name":"experimental.systemInfo.storage"},{"last":true,"name":"experimental.usb"}]),
branchInfo: {"channels":[{"path":"stable","name":"Stable"},{"path":"dev","name":"Dev"},{"path":"beta","name":"Beta"},{"path":"trunk","name":"Trunk"}],"current":"stable","showWarning":false}
};
</script>
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<div class="text">
<p>
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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
<a rel="license" href="http://code.google.com/google_bsd_license.html">BSD License</a>.
</p>
<p>
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