Contains primitive types for interoperability with JavaScript libraries.
Contains primitive types for interoperability with JavaScript libraries.
This package is only relevant to the Scala.js compiler, and should not be
referenced by any project compiled to the JVM.
All the values and methods in this package object are representatives of
standard variables and functions available in the top-level scope, as
standardized in ECMAScript 5.1.
The trait js.Any is the super type of all JavaScript values.
All class, trait and object definitions that inherit, directly or
indirectly, from js.Any do not have actual implementations in Scala.
They are only the manifestation of static types representing libraries
written directly in JavaScript. It is not possible to implement yourself
a subclass of js.Any: all the method definitions will be ignored when
compiling to JavaScript.
Implicit conversions to and from standard Scala types to their equivalent
in JavaScript are provided. For example, from Scala arrays to JavaScript
arrays and back.
js.Dynamic, a dynamically typed interface to JavaScript APIs
js.Object, the superclass of all statically typed JavaScript classes,
which has subclasses for all the classes standardized in ECMAScript 5.1,
among which:
The trait js.Dynamic is a special subtrait of js.Any. It can
represent any JavaScript value in a dynamically typed way. It is possible
to call any method and read and write any field of a value of type
js.Dynamic.
The package scala.scalajs.js.prim gives definition for the four
primitive types of JavaScript as subtraits of js.Any, but generally
it is preferable to use the corresponding Scala type.
Contains primitive types for interoperability with JavaScript libraries. This package is only relevant to the Scala.js compiler, and should not be referenced by any project compiled to the JVM.
All the values and methods in this package object are representatives of standard variables and functions available in the top-level scope, as standardized in ECMAScript 5.1.
Guide
General documentation on Scala.js can is available at http://www.scala-js.org/doc/.
Overview
The trait js.Any is the super type of all JavaScript values.
All class, trait and object definitions that inherit, directly or indirectly, from js.Any do not have actual implementations in Scala. They are only the manifestation of static types representing libraries written directly in JavaScript. It is not possible to implement yourself a subclass of js.Any: all the method definitions will be ignored when compiling to JavaScript.
Implicit conversions to and from standard Scala types to their equivalent in JavaScript are provided. For example, from Scala arrays to JavaScript arrays and back.
The most important subclasses of js.Any are:
thisas an explicit parametersThe trait js.Dynamic is a special subtrait of js.Any. It can represent any JavaScript value in a dynamically typed way. It is possible to call any method and read and write any field of a value of type js.Dynamic.
The package scala.scalajs.js.prim gives definition for the four primitive types of JavaScript as subtraits of js.Any, but generally it is preferable to use the corresponding Scala type.
js.UndefOr gives a scala.Option-like interface where the JavaScript value
undefinedtakes the role ofNone.