System.Runtime.InteropServices.JavaScript

Represents an exception initiated from the JavaScript interop code.

Initializes a new instance of the JSException class with a specified error message.

The message that describes the error.

Indicates that a source generator should export the attributed method to JavaScript and create thunks necessary to marshal its arguments and any return value or thrown exception.

Initializes a new instance of the class.

Represents the JavaScript host environment where the .NET runtime is currently operating.

Downloads and instantiates an ES6 module from the provided URL, via the JavaScript host's dynamic import API. If a module with the provided has previously been instantiated, it will be returned instead.

Globally unique identifier of the ES6 module, which is used by . The location of the module file. The token to monitor for cancellation requests. The cancellation token was canceled. This exception is stored into the returned task. A proxy for the JavaScript object that contains the module's exports.

Returns a proxy for the JavaScript module that contains the .NET runtime.

Returns a proxy for the globalThis JavaScript host object.

Indicates that the JSImport source generator should create a managed wrapper to invoke a specific imported JavaScript function and marshal its arguments, return values, and exceptions.

Initializes a new instance of the class.

The name of the target JavaScript function. This name will be used as a key to locate the function in the module. Functions nested inside of objects can be referred to by using the dot operator to connect one or more names. Globally unique identifier of the ES6 module, if any, that contains the function. The module must be loaded via before any attempt to invoke the function.

Initializes a new instance of the class.

The name of the function to be bound in the module. Use dots for nested objects.

Gets the name of the target JavaScript function. This name will be used as a key to locate the function in the module.

Gets the globally unique identifier of the ES6 module, if any, that contains the function. The module must be loaded via before any attempt to invoke the function.

Specifies the JavaScript type associated with a managed argument or return value. The JSImport generator will use this information to marshal data between the JavaScript and managed environments.

One of the types defined in , for example .

Initializes a new instance of configured by generic parameters of .

Represents a reference to an object in the JavaScript host environment and enables interaction with it as a proxy.

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

Returns the value of the specified property as if the property exists, otherwise .

The name of the property. The property value is not a . The value of the property with the specified name.

Returns the value of the specified property as a array if the property exists, otherwise .

The name of the property. The property value is not an array. The value of the property with the specified name.

Returns the value of the property as if the property exists, otherwise 0.

The name of the property. The property value is not a number. The value of the property with the specified name.

Returns the value of the property as if the property exists, otherwise 0.

The name of the property. The property value is not an integer. The value of the property with the specified name.

Returns the value of the property as proxy if the property exists, otherwise .

The name of the property. The property value is not a . The value of the property with the specified name.

Returns the value of the property as if the property exists, otherwise .

The name of the property. The property value is not a string. The value of the property with the specified name.

Returns typeof() of the property.

The name of the property. One of "undefined", "object", "boolean", "number", "bigint", "string", "symbol" or "function".

Checks whether the target object or one of its prototypes has a property with the specified name.

The name of the property. when the object has the property with the specified name.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Defines a new property on the target object, or modifies an existing property to have the specified value.

The name of the property. The value of property to set.

Gets a value that indicates whether the proxy was already disposed.

if the proxy was already disposed; otherwise, .

Used as the generic argument for to express the expected JavaScript type, which should be the source or result of argument marshalling.

Dynamically selects the most appropriate JavaScript or managed type for each argument value at run time.

Marshals as a copy of the JavaScript Array or TypedArray type.

The type of array element.

Marshal as JavaScript BigInt type.

Marshal as JavaScript Boolean type.

Marshal as JavaScript Date type.

Suppresses marshalling of the JavaScript function's return value and discards it.

Marshals as the JavaScript Error type.

Marshals as the JavaScript Function type.

Marshals as the JavaScript Function type.

The type of marshalled parameter or result.

Marshals as the JavaScript Function type.

The type of marshalled parameter or result. The type of marshalled parameter.

Marshals as the JavaScript Function type.

The type of marshalled parameter or result. The type of marshalled parameter. The type of marshalled parameter.

Marshals as the JavaScript Function type.

The type of marshalled parameter or result. The type of marshalled parameter. The type of marshalled parameter. The type of marshalled parameter.

Marshals a managed Span or ArraySegment as a JavaScript wrapper object that provides access to the managed memory.

Marshal as JavaScript Number type.

Marshal as JavaScript Object type.

Marshal as JavaScript Promise type.

The type of marshalled result value.

Marshal as JavaScript String type.

Asserts that a JavaScript function should have no return value.