1 <HTML>2 <SCRIPT LANGUAGE="JScript"> 3 function numberCells() 4  {5  var count=0;6 for (i=0; i < document.all.mytable.rows.length; i++)7  {8 for (j=0; j < document.all.mytable.rows(i).cells.length; j++) 9 {10 document.all.mytable.rows(i).cells(j).innerText = count;11  count++;12 }13 }14 }15 16 function tb_addnew()17 {18 var19 ls_t=document.all("mytable")20 maxcell=ls_t.rows(0).cells.length;21 mynewrow = ls_t.insertRow();22 23 for(i=0;i<maxcell;i++)24 {25 mynewcell=mynewrow.insertCell();26 mynewcell.innerText="a"+i;27 28 }29 }30 31 function tb_delete()32 {33 var ls_t=document.all("mytable");34 maxcell=ls_t.rows.length;35 36 if(maxcell > 1)37 {38 ls_t.deleteRow() ;39 }40 }41 42 </SCRIPT>43 <BODY onload="numberCells()">44 <TABLE id=mytable border=1>45 <TR><TH> </TH><TH> </TH><TH> </TH><TH> </TH></TR>46 <TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>47 <TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>48 </TABLE>49 <input type=button value="Ins Row" onclick="tb_addnew()">50 <input type=button value="Del Row" onclick="tb_delete()" >51 </BODY>52 </HTML> 53 54 55 56
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来自： LibraryPKU > 《Web》
