let url = Bundle.main.url(forResource: "index", withExtension: ".html")! let urlRequest = URLRequest(url: url) webView.load(urlRequest) } import UIKit //import JavaScriptCore import WebKit class ViewController: UIViewController, WKNavigationDelegate { let webView: WKWebView = WKWebView() override func viewDidLoad() { super.viewDidLoad() webView.frame = view.bounds webView.navigationDelegate = self