String property
) Returns true
if the JavaScript object contains the specified property
either directly or though its prototype chain.
This is the equivalent of the in
operator in JavaScript.
Source
/**
* Returns `true` if the JavaScript object contains the specified property
* either directly or though its prototype chain.
*
* This is the equivalent of the `in` operator in JavaScript.
*/
bool hasProperty(String property) native "JsObject_hasProperty";