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Javascript´úÂ룺
function addRow()
  {
     var root = document.getElementById("tbody")
     var allRows = root.getElementsByTagName('tr');
     var allCells = allRows[0].getElementsByTagName('td');
     var newRow = root.insertRow();
     var newCell0 = newRow.insertCell();
     var newCell1 = newRow.insertCell();
     var newCell2 = newRow.insertCell();
     var newCell3 = newRow.insertCell();
     newCell0.innerHTML = allCells[0].innerHTML;
     newCell1.innerHTML = allCells[1].innerHTML;
     newCell2.innerHTML = allCells[2].innerHTML;
     newCell3.innerHTML = allCells[3].innerHTML;
  }
  function removeRow(r)
  {
    var root = r.parentNode;
    root.deleteRow(r);
  }
HTML´úÂ룺
<table>
  <tbody id="tbody">
    <tr>
        <td><select><option>hello</option><option>hi</option></select></td>
        <td><input type="text" value="enter you name here" /></td>
        <td><input type="text" value="text2"/></td>
        <td&g


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function openWin(src, width, height, showScroll){
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}
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½â¾öFirefox ÏÂF5ºÍIEÏÂF5 ²»Ò»ÖµÄjavascript ½Å±¾.
var check=function(e)
 {
  e=e||window.event;
  //alert(e.which||e.keyCode);
  if((e.which||e.keyCode)==116)
  {
   if(e.preventDefault)
   { e.preventDefault();}
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1: <script language=”JavaScript”>
2: JavaScript code goes here
3: </script> 
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2: <!--
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parseFloat ת»»³É¸¡µãÊý
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var a = "234" ;
a = a.replace(/(^[\\s]*)|([\\s]*$)/g, "");
if( a !="" && !isNaN( a ) )
{//Èç¹ûÊÇÊý×Ö
a = e ......
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