bool instanceof(
JsFunction type
)

Returns true if the JavaScript object has type in its prototype chain.

This is the equivalent of the instanceof operator in JavaScript.

Source

/**
 * Returns `true` if the JavaScript object has [type] in its prototype chain.
 *
 * This is the equivalent of the `instanceof` operator in JavaScript.
 */
bool instanceof(JsFunction type) native "JsObject_instanceof";