WKWebview stringByEvaluatingJavaScriptFromString equivalent? [duplicate]

Question

UIWebview has (had?) an extremely useful function that enabled access to javascript variables from Swift.

func stringByEvaluatingJavaScriptFromString(_ script: String) -> String?

Does WKWebview have an equivalent function or idiom enabling access to javascript variables from Swift?

Answer 1

Yes, WKWebView Also Have EvaluateJavaScript Method that enables you to run javascript code and access to javascript variables.

func evaluateJavaScript(_ javaScriptString: String, 
  completionHandler: ((Any?, Error?) -> Void)? = nil)