Constructs a new JavaScript object from constructor and returns a proxy
to it.
Source
factory JsObject(JsFunction constructor, [List arguments]) {
try {
return html_common.unwrap_jso(_create(constructor, arguments));
} catch (e) {
// Re-throw any errors (returned as a string) as a DomException.
throw new html.DomException.jsInterop(e);
}
}