Javascript console.log() in an iOS UIWebView

Question

When writing a iPhone / iPad app with a UIWebView, the console isn\'t visible. this excellent answer shows how to trap errors, but I would like to use the console.log() as w

Answer 1

Swift 5

func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
      webView.evaluateJavaScript("your javascript string") { (value, error) in
          if let errorMessage = (error! as NSError).userInfo["WKJavaScriptExceptionMessage"] as? String {
                print(errorMessage)
          }
      }
 }