Column span Example : Column « Table « JavaScript DHTML

Column span Example

    
<html>
<body>
<table border="3" cellspacing="5" cellpadding="5">
  <colgroup>
    <col id="col_1">
    <col id="col_2">
    <col id="col_3">
    <tr>
        <td>Column 1</td>
        <td>Column 2</td>
        <td>Column 3</td>
        <td>Column 4</td>
        <td>Column 5</td>
        <td>Column 6</td>
   </tr>
   <tr>
        <td>Cell 1</td>
        <td>Cell 2</td>
        <td>Cell 3</td>
        <td>Cell 4</td>
        <td>Cell 5</td>
        <td>Cell 6</td>
   </tr>
</table>
<input type="button" value="Span" onClick="function1();">
<script language="JavaScript">
    document.getElementById("col_1").span = 2;
    document.getElementById("col_2").span = 3;
    document.getElementById("col_3").span = 1;
    function function1() {
        document.getElementById("col_2").align = "center"
        document.getElementById("col_2").style.color = "green"; 
    } 
</script>

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