helper_hittest_bug1715187_oopif.html (378B)
1 <style> 2 body, html { margin: 0; } 3 </style> 4 <div id="thediv" style="position: absolute; top: 0; left: 0; width: 10px; height: 10px; background: blue;"> 5 </div> 6 <div style="width:10px; height: 500vh;"></div> 7 <script> 8 let target = document.getElementById("thediv"); 9 target.addEventListener("click", listener); 10 function listener() { 11 parent.postMessage("gotclick", "*"); 12 } 13 </script>