HTML：
<table> <tr> <td>1</td> <td>4</td> <td>7</td> </tr> <tr> <td>2</td> <td>5</td> <td>8</td> </tr> <tr> <td>3</td> <td>6</td> <td>9</td> </tr></table><p><a href="#">Do it.</a></p>
js：
$("a").click(function(){ $("table").each(function() { var $this = $(this); var newrows = []; $this.find("tr").each(function(){ var i = 0; $(this).find("td").each(function(){ i++; if(newrows[i] === undefined) { newrows[i] = $("<tr></tr>"); } newrows[i].append($(this)); }); }); $this.find("tr").remove(); $.each(newrows, function(){ $this.append(this); }); }); return false;});
