dart:js

JsObject class

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])

factory

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

JsObject.fromBrowserObject(Object object)

factory

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

JsObject.jsify(Object object)

factory

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

Properties

hashCode → int

read-only, override

The hash code for this object. [...]

runtimeType → Type

read-only, inherited

A representation of the runtime type of the object.

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

inherited

Invoked when a non-existent method or property is accessed. [...]

toString() → String

override

Returns the result of the JavaScript objects toString method.

Operators

operator ==(Object other) → bool

override

The equality operator. [...]

operator [](Object property) → dynamic

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

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