| OLD | NEW | 
|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> | 
| 2 <html style="font-family: ahem; font-size: 50px; -webkit-font-smoothing: none; c
    olor: white;"> | 2 <html style="font-family: ahem; font-size: 50px; -webkit-font-smoothing: none; c
    olor: white;"> | 
| 3 <body> | 3 <body> | 
| 4 <div id="runin" style="display: run-in">B</div> | 4 <div id="runin" style="display: run-in">B</div> | 
| 5 <div>C</div> | 5 <div>C</div> | 
| 6 <script> | 6 <script> | 
| 7 document.body.offsetTop; | 7 document.body.offsetTop; | 
| 8 var div1 = document.createElement('div'); | 8 var div1 = document.createElement('div'); | 
| 9 div1.appendChild(document.createTextNode('A')); | 9 div1.appendChild(document.createTextNode('A')); | 
| 10 document.body.insertBefore(div1, document.getElementById('runin')); | 10 document.body.insertBefore(div1, document.getElementById('runin')); | 
| 11 </script> | 11 </script> | 
| 12 </body> | 12 </body> | 
| 13 </html> | 13 </html> | 
| OLD | NEW | 
|---|