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view tests/dynSpan.ur @ 2116:ebfaab689570

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The 2nd half of proper CSRF protection related to environment variables
author Adam Chlipala <adam@chlipala.net>
date Thu, 12 Feb 2015 15:09:26 -0500
parents cc58941da3e2
children
line wrap: on
line source
val x = 1

fun main () : transaction page =
    s <- source "!";
    return <xml><body>
      <dyn signal={x <- signal s; return <xml><span>{[x]}</span></xml>}/>
      <button onclick={x <- get s; set s (x ^ "!")}/>
    </body></xml>