objective-c javascript 연동했는데 alert 안뜰 때

https://doorganizedcoding.tistory.com/29 swift 글 참고https://doorganizedcoding.tistory.com/29 추가한 코드만 적었다. #import @interface EasyWKWebViewController : UIViewController @end _webView.UIDelegate = self; - (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler { UIAlertControl..