Method getOwnProperty

src/main/java/org/dynjs/runtime/JSObject.java:15–15

(ExecutionContext context, String name)

    Object get(ExecutionContext context, String name);

    Object getOwnProperty(ExecutionContext context, String name);
    Object getOwnProperty(ExecutionContext context, String name, boolean dupe);

    Object getProperty(ExecutionContext context, String name);