docs/api/dotnet/webdriver/OpenQA.Selenium.JavaScriptEngine.html - external/github.com/SeleniumHQ/selenium - Git at Google

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         <article data-uid="OpenQA.Selenium.JavaScriptEngine">


   <h1 id="OpenQA_Selenium_JavaScriptEngine" data-uid="OpenQA.Selenium.JavaScriptEngine" class="text-break">
 Class JavaScriptEngine  <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L36"><i class="bi bi-code-slash"></i></a>
   </h1>

   <div class="facts text-secondary">
     <dl><dt>Namespace</dt><dd><a class="xref" href="OpenQA.html">OpenQA</a>.<a class="xref" href="OpenQA.Selenium.html">Selenium</a></dd></dl>
   <dl><dt>Assembly</dt><dd>WebDriver.dll</dd></dl>
   </div>

   <div class="markdown summary"><p>Provides methods allowing the user to manage settings in the browser's JavaScript engine.</p>
 </div>
   <div class="markdown conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public class JavaScriptEngine : IJavaScriptEngine, IDisposable</code></pre>
   </div>


   <dl class="typelist inheritance">
     <dt>Inheritance</dt>
     <dd>
       <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
       <div><span class="xref">JavaScriptEngine</span></div>
     </dd>
   </dl>

   <dl class="typelist implements">
     <dt>Implements</dt>
     <dd>
       <div><a class="xref" href="OpenQA.Selenium.IJavaScriptEngine.html">IJavaScriptEngine</a></div>
       <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
     </dd>
   </dl>


   <dl class="typelist inheritedMembers">
     <dt>Inherited Members</dt>
     <dd>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
     </div>
     <div>
       <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
     </div>
   </dd></dl>


   <h2 class="section" id="constructors">Constructors
 </h2>


   <a id="OpenQA_Selenium_JavaScriptEngine__ctor_" data-uid="OpenQA.Selenium.JavaScriptEngine.#ctor*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine__ctor_OpenQA_Selenium_IWebDriver_" data-uid="OpenQA.Selenium.JavaScriptEngine.#ctor(OpenQA.Selenium.IWebDriver)">
   JavaScriptEngine(IWebDriver)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L54"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="OpenQA.Selenium.JavaScriptEngine.html">JavaScriptEngine</a> class.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public JavaScriptEngine(IWebDriver driver)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>driver</code> <a class="xref" href="OpenQA.Selenium.IWebDriver.html">IWebDriver</a></dt>
     <dd><p>The <a class="xref" href="OpenQA.Selenium.IWebDriver.html">IWebDriver</a> instance in which the JavaScript engine is executing.</p>
 </dd>
   </dl>


   <h2 class="section" id="properties">Properties
 </h2>


   <a id="OpenQA_Selenium_JavaScriptEngine_InitializationScripts_" data-uid="OpenQA.Selenium.JavaScriptEngine.InitializationScripts*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_InitializationScripts" data-uid="OpenQA.Selenium.JavaScriptEngine.InitializationScripts">
   InitializationScripts
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L94"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Gets the read-only list of initialization scripts added for this JavaScript engine.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public IReadOnlyList&lt;InitializationScript&gt; InitializationScripts { get; }</code></pre>
   </div>


   <h4 class="section">Property Value</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;<a class="xref" href="OpenQA.Selenium.InitializationScript.html">InitializationScript</a>&gt;</dt>
     <dd></dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_ScriptCallbackBindings_" data-uid="OpenQA.Selenium.JavaScriptEngine.ScriptCallbackBindings*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_ScriptCallbackBindings" data-uid="OpenQA.Selenium.JavaScriptEngine.ScriptCallbackBindings">
   ScriptCallbackBindings
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L106"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Gets the read-only list of bindings added for this JavaScript engine.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public IReadOnlyList&lt;string&gt; ScriptCallbackBindings { get; }</code></pre>
   </div>


   <h4 class="section">Property Value</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>&gt;</dt>
     <dd></dd>
   </dl>


   <h2 class="section" id="methods">Methods
 </h2>


   <a id="OpenQA_Selenium_JavaScriptEngine_AddInitializationScript_" data-uid="OpenQA.Selenium.JavaScriptEngine.AddInitializationScript*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_AddInitializationScript_System_String_System_String_" data-uid="OpenQA.Selenium.JavaScriptEngine.AddInitializationScript(System.String,System.String)">
   AddInitializationScript(string, string)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L168"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously adds JavaScript to be loaded on every document load.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task&lt;InitializationScript&gt; AddInitializationScript(string scriptName, string script)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>scriptName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The friendly name by which to refer to this initialization script.</p>
 </dd>
     <dt><code>script</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The JavaScript to be loaded on every page.</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task-1">Task</a>&lt;<a class="xref" href="OpenQA.Selenium.InitializationScript.html">InitializationScript</a>&gt;</dt>
     <dd><p>A task containing an <a class="xref" href="OpenQA.Selenium.InitializationScript.html">InitializationScript</a> object representing the script to be loaded on each page.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">scriptName</code> or <code class="paramref">script</code> are <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_AddScriptCallbackBinding_" data-uid="OpenQA.Selenium.JavaScriptEngine.AddScriptCallbackBinding*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_AddScriptCallbackBinding_System_String_" data-uid="OpenQA.Selenium.JavaScriptEngine.AddScriptCallbackBinding(System.String)">
   AddScriptCallbackBinding(string)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L288"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously adds a binding to a callback method that will raise an event when the named
 binding is called by JavaScript executing in the browser.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task AddScriptCallbackBinding(string bindingName)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>bindingName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The name of the callback that will trigger events when called by JavaScript executing in the browser.</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">bindingName</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentexception">ArgumentException</a></dt>
     <dd><p>If A binding with the specified name already exists.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_ClearAll_" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearAll*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_ClearAll" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearAll">
   ClearAll()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L342"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes all bindings to JavaScript callbacks, all
 initialization scripts from being loaded for each document, and unpins
 all pinned scripts.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task ClearAll()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_ClearInitializationScripts_" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearInitializationScripts*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_ClearInitializationScripts" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearInitializationScripts">
   ClearInitializationScripts()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L219"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes all initialization scripts from being loaded on every document load.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task ClearInitializationScripts()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_ClearScriptCallbackBindings_" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearScriptCallbackBindings*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_ClearScriptCallbackBindings" data-uid="OpenQA.Selenium.JavaScriptEngine.ClearScriptCallbackBindings">
   ClearScriptCallbackBindings()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L325"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes all bindings to JavaScript callbacks.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task ClearScriptCallbackBindings()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_DisableDomMutationMonitoring_" data-uid="OpenQA.Selenium.JavaScriptEngine.DisableDomMutationMonitoring*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_DisableDomMutationMonitoring" data-uid="OpenQA.Selenium.JavaScriptEngine.DisableDomMutationMonitoring">
   DisableDomMutationMonitoring()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L155"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Disables monitoring for DOM changes.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task DisableDomMutationMonitoring()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_Dispose_" data-uid="OpenQA.Selenium.JavaScriptEngine.Dispose*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_Dispose" data-uid="OpenQA.Selenium.JavaScriptEngine.Dispose">
   Dispose()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L364"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Releases all resources associated with this <a class="xref" href="OpenQA.Selenium.JavaScriptEngine.html">JavaScriptEngine</a>.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public void Dispose()</code></pre>
   </div>


   <a id="OpenQA_Selenium_JavaScriptEngine_Dispose_" data-uid="OpenQA.Selenium.JavaScriptEngine.Dispose*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_Dispose_System_Boolean_" data-uid="OpenQA.Selenium.JavaScriptEngine.Dispose(System.Boolean)">
   Dispose(bool)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L374"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Releases all resources associated with this <a class="xref" href="OpenQA.Selenium.JavaScriptEngine.html">JavaScriptEngine</a>.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">protected virtual void Dispose(bool disposing)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>disposing</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
     <dd><p><a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">true</a> if the Dispose method was explicitly called; otherwise, <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_EnableDomMutationMonitoring_" data-uid="OpenQA.Selenium.JavaScriptEngine.EnableDomMutationMonitoring*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_EnableDomMutationMonitoring" data-uid="OpenQA.Selenium.JavaScriptEngine.EnableDomMutationMonitoring">
   EnableDomMutationMonitoring()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L141"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Enables monitoring for DOM changes.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task EnableDomMutationMonitoring()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_PinScript_" data-uid="OpenQA.Selenium.JavaScriptEngine.PinScript*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_PinScript_System_String_" data-uid="OpenQA.Selenium.JavaScriptEngine.PinScript(System.String)">
   PinScript(string)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L237"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Pins a JavaScript snippet for execution in the browser without transmitting the
 entire script across the wire for every execution.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task&lt;PinnedScript&gt; PinScript(string script)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>script</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The JavaScript to pin</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task-1">Task</a>&lt;<a class="xref" href="OpenQA.Selenium.PinnedScript.html">PinnedScript</a>&gt;</dt>
     <dd><p>A task containing a <a class="xref" href="OpenQA.Selenium.PinnedScript.html">PinnedScript</a> object to use to execute the script.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">script</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_RemoveInitializationScript_" data-uid="OpenQA.Selenium.JavaScriptEngine.RemoveInitializationScript*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_RemoveInitializationScript_System_String_" data-uid="OpenQA.Selenium.JavaScriptEngine.RemoveInitializationScript(System.String)">
   RemoveInitializationScript(string)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L200"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes JavaScript from being loaded on every document load.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task RemoveInitializationScript(string scriptName)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>scriptName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The friendly name of the initialization script to be removed.</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">scriptName</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_RemoveScriptCallbackBinding_" data-uid="OpenQA.Selenium.JavaScriptEngine.RemoveScriptCallbackBinding*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_RemoveScriptCallbackBinding_System_String_" data-uid="OpenQA.Selenium.JavaScriptEngine.RemoveScriptCallbackBinding(System.String)">
   RemoveScriptCallbackBinding(string)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L310"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes a binding to a JavaScript callback.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task RemoveScriptCallbackBinding(string bindingName)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>bindingName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
     <dd><p>The name of the callback to be removed.</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">bindingName</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_Reset_" data-uid="OpenQA.Selenium.JavaScriptEngine.Reset*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_Reset" data-uid="OpenQA.Selenium.JavaScriptEngine.Reset">
   Reset()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L355"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously removes all bindings to JavaScript callbacks, all
 initialization scripts from being loaded for each document, all
 pinned scripts, and stops listening for events.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task Reset()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_StartEventMonitoring_" data-uid="OpenQA.Selenium.JavaScriptEngine.StartEventMonitoring*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_StartEventMonitoring" data-uid="OpenQA.Selenium.JavaScriptEngine.StartEventMonitoring">
   StartEventMonitoring()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L119"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Asynchronously starts monitoring for events from the browser's JavaScript engine.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task StartEventMonitoring()</code></pre>
   </div>


   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <a id="OpenQA_Selenium_JavaScriptEngine_StopEventMonitoring_" data-uid="OpenQA.Selenium.JavaScriptEngine.StopEventMonitoring*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_StopEventMonitoring" data-uid="OpenQA.Selenium.JavaScriptEngine.StopEventMonitoring">
   StopEventMonitoring()
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L130"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Stops monitoring for events from the browser's JavaScript engine.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public void StopEventMonitoring()</code></pre>
   </div>


   <a id="OpenQA_Selenium_JavaScriptEngine_UnpinScript_" data-uid="OpenQA.Selenium.JavaScriptEngine.UnpinScript*"></a>

   <h3 id="OpenQA_Selenium_JavaScriptEngine_UnpinScript_OpenQA_Selenium_PinnedScript_" data-uid="OpenQA.Selenium.JavaScriptEngine.UnpinScript(OpenQA.Selenium.PinnedScript)">
   UnpinScript(PinnedScript)
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L265"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Unpins a previously pinned script from the browser.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public Task UnpinScript(PinnedScript script)</code></pre>
   </div>

   <h4 class="section">Parameters</h4>
   <dl class="parameters">
     <dt><code>script</code> <a class="xref" href="OpenQA.Selenium.PinnedScript.html">PinnedScript</a></dt>
     <dd><p>The <a class="xref" href="OpenQA.Selenium.PinnedScript.html">PinnedScript</a> object to unpin.</p>
 </dd>
   </dl>

   <h4 class="section">Returns</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></dt>
     <dd><p>A task that represents the asynchronous operation.</p>
 </dd>
   </dl>


   <h4 class="section">Exceptions</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></dt>
     <dd><p>If <code class="paramref">script</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
 </dd>
   </dl>


   <h2 class="section" id="events">Events
 </h2>


   <h3 id="OpenQA_Selenium_JavaScriptEngine_DomMutated" data-uid="OpenQA.Selenium.JavaScriptEngine.DomMutated">
   DomMutated
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L89"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Occurs when a value of an attribute in an element is being changed.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public event EventHandler&lt;DomMutatedEventArgs&gt;? DomMutated</code></pre>
   </div>


   <h4 class="section">Event Type</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="OpenQA.Selenium.DomMutatedEventArgs.html">DomMutatedEventArgs</a>&gt;</dt>
     <dd></dd>
   </dl>


   <h3 id="OpenQA_Selenium_JavaScriptEngine_JavaScriptCallbackExecuted" data-uid="OpenQA.Selenium.JavaScriptEngine.JavaScriptCallbackExecuted">
   JavaScriptCallbackExecuted
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L74"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Occurs when a JavaScript callback with a named binding is executed.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public event EventHandler&lt;JavaScriptCallbackExecutedEventArgs&gt;? JavaScriptCallbackExecuted</code></pre>
   </div>


   <h4 class="section">Event Type</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="OpenQA.Selenium.JavaScriptCallbackExecutedEventArgs.html">JavaScriptCallbackExecutedEventArgs</a>&gt;</dt>
     <dd></dd>
   </dl>


   <h3 id="OpenQA_Selenium_JavaScriptEngine_JavaScriptConsoleApiCalled" data-uid="OpenQA.Selenium.JavaScriptEngine.JavaScriptConsoleApiCalled">
   JavaScriptConsoleApiCalled
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L84"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Occurs when methods on the JavaScript console are called.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public event EventHandler&lt;JavaScriptConsoleApiCalledEventArgs&gt;? JavaScriptConsoleApiCalled</code></pre>
   </div>


   <h4 class="section">Event Type</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="OpenQA.Selenium.JavaScriptConsoleApiCalledEventArgs.html">JavaScriptConsoleApiCalledEventArgs</a>&gt;</dt>
     <dd></dd>
   </dl>


   <h3 id="OpenQA_Selenium_JavaScriptEngine_JavaScriptExceptionThrown" data-uid="OpenQA.Selenium.JavaScriptEngine.JavaScriptExceptionThrown">
   JavaScriptExceptionThrown
   <a class="header-action link-secondary" title="View source" href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L79"><i class="bi bi-code-slash"></i></a>
   </h3>

   <div class="markdown level1 summary"><p>Occurs when an exception is thrown by JavaScript being executed in the browser.</p>
 </div>
   <div class="markdown level1 conceptual"></div>

   <div class="codewrapper">
     <pre><code class="lang-csharp hljs">public event EventHandler&lt;JavaScriptExceptionThrownEventArgs&gt;? JavaScriptExceptionThrown</code></pre>
   </div>


   <h4 class="section">Event Type</h4>
   <dl class="parameters">
     <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="OpenQA.Selenium.JavaScriptExceptionThrownEventArgs.html">JavaScriptExceptionThrownEventArgs</a>&gt;</dt>
     <dd></dd>
   </dl>


 </article>

         <div class="contribution d-print-none">
           <a href="https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/JavaScriptEngine.cs/#L36" class="edit-link">Edit this page</a>
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