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leoiphonedev/WKWebViewDemo-VC-addingKVO.swift

Created August 11, 2018 14:28
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Making ViewController.swift class as observer
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WKWebViewDemo-VC-addingKVO.swift
self.webView.addObserver(self, forKeyPath: #keyPath(WKWebView.isLoading), options: .new, context: nil)
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