JsObject class - dart:js library (original) (raw)

A proxy on a JavaScript object.

The properties of the JavaScript object are accessible via the [] and[]= operators. Methods are callable via callMethod.

Implementers

• JsArray
• JsFunction

Constructors

JsObject(JsFunction constructor, [List? arguments])

Constructs a JavaScript object from its native constructor and returns a proxy to it.

factory

JsObject.fromBrowserObject(Object object)

Constructs a JsObject that proxies a native Dart object; for expert use only.

factory

JsObject.jsify(Object object)

Recursively converts a JSON-like collection of Dart objects to a collection of JavaScript objects and returns a JsObject proxy to it.

factory

Properties

hashCode → int

The hash code for this object.

no setteroverride

runtimeType → Type

A representation of the runtime type of the object.

no setterinherited

Methods

callMethod(Object method, [List? args])→ dynamic

Calls method on the JavaScript object with the arguments args and returns the result.

deleteProperty(Object property)→ void

Removes property from the JavaScript object.

hasProperty(Object property)→ bool

Returns true if the JavaScript object contains the specified property either directly or though its prototype chain.

instanceof(JsFunction type)→ bool

Returns true if the JavaScript object has type in its prototype chain.

noSuchMethod(Invocation invocation)→ dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString()→ String

Returns the result of the JavaScript objects toString method.

override

Operators

operator ==(Object other)→ bool

The equality operator.

override

operator [](Object property)→ dynamic

Returns the value associated with property from the proxied JavaScript object.

operator []=(Object property, Object? value)→ void