iframe.document.html (347B)
1 <!DOCTYPE html> 2 <script> 3 var value = "" + Math.random(); 4 document.cookie = `dc_samesite_strict=${value}; secure; sameSite=strict; path=/`; 5 document.cookie = `dc_samesite_lax=${value}; secure; sameSite=lax; path=/`; 6 document.cookie = `dc_samesite_none=${value}; secure; sameSite=none; path=/`; 7 parent.postMessage({value}, "*"); 8 </script>