qt-everywhere-src-5.14.1/qtdeclarative/tests/auto/qml/qqmlecmascript/data/tryStatement.1.qml

import Qt.test 1.0

MyQmlObject {
    property int defaultValue: 123

    function go() {
        undefinedObject.method() // this call will throw an exception
        return 321
    }

    value: try { go() } catch(e) { defaultValue }
}