dart:js

JsObject class

Proxies a JavaScript object to Dart.

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

Implemented by

• JsArray
• JsFunction

Constructors

JsObject(JsFunction constructor, [ List arguments ])

factory

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

JsObject.fromBrowserObject(object)

factory

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

JsObject.internal()

JsObject.jsify(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

runtimeType → Type

read-only, inherited

A representation of the runtime type of the object.

Operators

operator ==(other) → dynamic

The equality operator.

operator [](property) → dynamic

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

operator []=(property, value) → dynamic

Sets the value associated with property on the proxied JavaScript object.

Methods

callMethod(String method, [ List args ]) → dynamic

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

deleteProperty(String property) → void

Removes property from the JavaScript object.

hasProperty(String 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.

toString() → String

Returns the result of the JavaScript objects toString method.

noSuchMethod(Invocation invocation) → dynamic

inherited

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