[Dilettante_Pro]

Rasy, не блочит

<script>
 function myFunc(value) {
   if(value === 1) {
       console.log(true);
   }
}
</script>
<iframe id = 'ifr'>

</iframe>
<script>
  ifr.contentWindow.document.write('\<script\>var a = 1; parent.myFunc(a);\</script\>');

</script>