title: Input programmatically text in fields in webview after load page
body: <p>I have some issue about WebView.
  I have some page. This page have two input fields. </p>
  
  <p>We can input some text in field when the page is loading. But, can I set this fields after loading?
  For example, page opened and I choose some text in toolbar menu. After this text pasted in webView fields.
  It's really to realize? Thanks.</p>