691118-1.html (491B)
1 <!DOCTYPE html> 2 <html> 3 4 <head> 5 <script> 6 7 function boom() 8 { 9 document.documentElement.offsetHeight; 10 document.getElementById("x").style.counterIncrement = "a"; 11 document.documentElement.offsetHeight; 12 } 13 14 </script> 15 16 <body onload="boom();" style="column-count: 3"> 17 <div style="position: relative;"> 18 <div style="position: absolute; height: 3pt;"></div> 19 <div style="position: absolute;" id="x"></div> 20 <div style="position: absolute; height: 8pt;"></div> 21 </div> 22 </body> 23 24 </html>