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hackingwithswift p4 webview




webView.navigationDelegate = self

一開始卡在這，怎麼叫都叫不出Navigator，後來才想到應該是要在Storyboard加上去...


比較重要的地方在於加上
webView.addObserver(self, forKeyPath: #keyPath(WKWebView.estimatedProgress), options: .new, context: nil)

webView的應用

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