UIWebView, WKNavigation Delegate 대칭표
UIWebView - UIWebViewDelegate WKWebView - WKNavigationDelegate webView:shouldStartLoadWithRequest:navigationType: webView:decidePolicyForNavigationAction:decisionHandler: webViewDidStartLoad: webView:didCommitNavigation: webViewDidFinishLoad: webView:didFinishNavigation: webView:didFailLoadWithError: webView:didFailNavigation:withError: webView:didFailProvisionalNavigation:withError:
2020.11.04