Dim str As String=""
str = "Some Html statements" & "<script language='javascript' src='lang.js'></script>" 'lang.js is a js file in xui.DefaultFolder.
dim wv as webview
File.WriteString(xui.DefaultFolder, "h1.html", str)
wv.LoadUrl($"${xui.FileUri(xui.DefaultFolder, "h1.html")}"$)