769967.xhtml (497B)
1 <html xmlns="http://www.w3.org/1999/xhtml" contenteditable="true" style="user-select: all;"><sub>x</sub><script> 2 function boom() 3 { 4 window.getSelection().removeAllRanges(); 5 var r = document.createRange(); 6 r.setStart(document.documentElement, 0); 7 r.setEnd(document.documentElement, 0); 8 window.getSelection().addRange(r); 9 10 document.execCommand("subscript", false, null); 11 document.execCommand("insertText", false, "y"); 12 } 13 14 window.addEventListener("load", boom, false); 15 16 </script></html>