<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "><HTMLxmlns= "http://www.w3.org/1999/xhtml"><Head><Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8" /><title>Untitled Document</title><Scripttype= "Text/javascript"src= "Jquery-1.11.0.js"></Script><Scripttype= "Text/javascript">$ (document). Ready (function(){ $("#addline"). Click (function(){ var$tr=$("<tr></tr>"); var$TD=$("<td></td>"); for(varI=0; I<4; I++{$td. Clone (). HTML (i). AppendTo ($TR); } $("Table Tr:last"). After ($TR); }) $("#removeline"). Click (function(){ $("Table Tr:last"). Remove (); }) $("#elptyAll"). Click (function(){ $("Table"). Elpty (); }) })</Script></Head><Body><TableBorder= "1"width= "$"> <TR> <TD>11</TD> <TD>12</TD> <TD>13</TD> <TD>14</TD> </TR> <TR> <TD>21st</TD> <TD>22</TD> <TD>23</TD> <TD>24</TD> </TR> <TR> <TD>31</TD> <TD>32</TD> <TD>33</TD> <TD>34</TD> </TR> <TR> <TD>41</TD> <TD>42</TD> <TD>43</TD> <TD>44</TD> </TR> <TR> <TD>51</TD> <TD>52</TD> <TD>53</TD> <TD>54</TD> </TR></Table><inputtype= "button"value= "Add one line"ID= "AddLine"/><inputtype= "button"value= "Delete one row"ID= "Removeline"/><inputtype= "button"value= "Empty"ID= "Elptyall" /></Body></HTML>