| <div contenteditable="true"> | |
| <div>There should be a single empty H1 block below.</div> | |
| <div id="div"><br></div> | |
| <div id="div">There should be a single empty H1 block above.</div> | |
| </div> | |
| <script> | |
| div = document.getElementById("div"); | |
| window.getSelection().setPosition(div, 0); | |
| document.execCommand("FormatBlock", false, "h1"); | |
| </script> |