1136010-1.html (463B)
1 <!DOCTYPE html> 2 <style> 3 body { text-transform: uppercase; width: 200px; height: 200px; background-color: white; } 4 #a, #b { font-size: 24px; } 5 </style> 6 <div id=a><div id=b><span>x</span><span>y</span></div></div> 7 <script> 8 document.body.offsetTop; 9 var a = document.getElementById("a"); 10 var b = document.getElementById("b"); 11 a.style.fontSize = "24px"; 12 b.style.fontSize = "24px"; 13 document.body.offsetTop; 14 b.style.fontSize = "36px"; 15 document.body.offsetTop; 16 </script>