javascript
<input id="addRow" type="button" value="行追加"><div style="height: 500px; width:1000px; overflow-y:scroll;"> <table id="test_table" style="table-layout: fixed;" border=1 width="1000" height="500" _fixedhead="rows:1; cols:1"> <thead> <tr> カラム".…</tr></thead></table></div>