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Showing content from https://cefsharp.github.io/api/118.6.x/html/M_CefSharp_WebBrowserExtensions_EvaluateScriptAsync.htm below:

WebBrowserExtensionsEvaluateScriptAsync Method (IBrowser, String, NullableTimeSpan, Boolean)

Evaluate some Javascript code in the context of the MainFrame of the ChromiumWebBrowser. The script will be executed asynchronously and the method returns a Task encapsulating the response from the Javascript

CefSharp (in CefSharp.dll) Version: 118.6.80.0 (118.6.80.0)

public static Task<JavascriptResponse> EvaluateScriptAsync(
	this IBrowser browser,
	string script,
	TimeSpan? timeout = null,
	bool useImmediatelyInvokedFuncExpression = false
)

public:
[ExtensionAttribute]
static Task<JavascriptResponse^>^ EvaluateScriptAsync(
	IBrowser^ browser, 
	String^ script, 
	Nullable<TimeSpan> timeout = nullptr, 
	bool useImmediatelyInvokedFuncExpression = false
)

browser

Type: CefSharpIBrowser
The IBrowser instance this method extends.

script

Type: SystemString
The Javascript code that should be executed.

timeout (Optional)

Type: SystemNullableTimeSpan
(Optional) The timeout after which the Javascript code execution should be aborted.

useImmediatelyInvokedFuncExpression (Optional)

Type: SystemBoolean
When true the script is wrapped in a self executing function. Make sure to use a return statement in your javascript. e.g. (function () { return 42; })(); When false don't include a return statement e.g. 42;

Type:

that can be awaited to obtain the result of the script execution.

In Visual Basic and C#, you can call this method as an instance method on any object of type

. When you use instance method syntax to call this method, omit the first parameter. For more information, see

or

.

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