How to Get the Title of a HTML Page Displayed in UIWebView?

Question

I need to extract the contents of the title tag from an HTML page displayed in a UIWebView. What is the most robust means of doing so?

I know I can do:

Answer 1

Here is Swift 4 version, based on answer at here

func webViewDidFinishLoad(_ webView: UIWebView) {
    let theTitle = webView.stringByEvaluatingJavaScript(from: "document.title")
}