As seen in the JsInterop document such public properties will default to
whatever the native JS object defaults to after construction.
// JS library
com.acme.Foo = function() {
// defaults
this.x = 40;
this.y = 2;
};
com.acme.Foo.prototype.sum = function() { return this.x + this.y; };
// Java
@JsType(isNative = true)
class Foo {
public int x; // defaults to 40
public int y; // defaults to 2
public native int sum();
}
class FooMain {
public static void main() {
Foo foo = new Foo();
foo.sum(); // will return 42!
foo.x = 50;
foo.y = 5;
foo.sum(); // will return 55!
}
}
-- J.
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