[swift4]WKWebViewを使ったwebview - Qiita

import UIKit import WebKit class ViewController: UIViewController, WKNavigationDelegate, WKUIDelegate { var webView: WKWebView! let firstViewUrl = "https://yahoo.co.jp" // toolBar設定 var toolBar: UIToolbar? var rewindButton = UIBarButtonItem() var fastForwardButton = UIBarButtonItem() var refreshButton = UIBarButtonItem() var openInSafari = UIBarButtonItem() // portraitのみを想定 var topPadding:CGFloat

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“var webView: WKWebView!”