How to get a table cell value using jQuery?

2018-12-31 19:58发布

站内问答 / jQuery
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I am trying to work out how to get the value of table cell for each row using jQuery.

My table looks like this:

<table id="mytable">
  <tr>
    <th>Customer Id</th>
    <th>Result</th>
  </tr>
  <tr>
    <td>123</td>
    <td></td>
  </tr>
  <tr>
    <td>456</td>
    <td></td>
  </tr>
  <tr>
    <td>789</td>
    <td></td>
  </tr>
</table>

I basically want to loop through the table, and get the value of the Customer Id column for each row.

In the code below I have worked out that I need to do this to get it looping through each row, but I'm not sure how to get the value of the first cell in the row.

$('#mytable tr').each(function() {
    var cutomerId = 
}

标签： jquery
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10条回答
忆尘夕之涩
2楼-- · 2018-12-31 20:22

A working example: http://jsfiddle.net/0sgLbynd/

<table>
<tr>
    <td>0</td>
    <td class="ms-vb2">1</td>
    <td class="ms-vb2">2</td>
    <td class="ms-vb2">3</td>
    <td class="ms-vb2">4</td>
    <td class="ms-vb2">5</td>
    <td class="ms-vb2">6</td>
</tr>
</table>


$(document).ready(function () {
//alert("sss");
$("td").each(function () {
    //alert($(this).html());
    $(this).html("aaaaaaa");
});
});
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泛滥B
3楼-- · 2018-12-31 20:25

This works

$(document).ready(function() {
    for (var row = 0; row < 3; row++) {
        for (var col = 0; col < 3; col++) {
            $("#tbl").children().children()[row].children[col].innerHTML = "H!";
        }
    }
});
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浮光初槿花落
4楼-- · 2018-12-31 20:28

try this :

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
    <title>Untitled</title>

<script type="text/javascript"><!--

function getVal(e) {
    var targ;
    if (!e) var e = window.event;
    if (e.target) targ = e.target;
    else if (e.srcElement) targ = e.srcElement;
    if (targ.nodeType == 3) // defeat Safari bug
        targ = targ.parentNode;

    alert(targ.innerHTML);
}

onload = function() {
    var t = document.getElementById("main").getElementsByTagName("td");
    for ( var i = 0; i < t.length; i++ )
        t[i].onclick = getVal;
}

</script>



<body>

<table id="main"><tr>
    <td>1</td>
    <td>2</td>
    <td>3</td>
    <td>4</td>
</tr><tr>
    <td>5</td>
    <td>6</td>
    <td>7</td>
    <td>8</td>
</tr><tr>
    <td>9</td>
    <td>10</td>
    <td>11</td>
    <td>12</td>
</tr></table>

</body>
</html>
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与风俱净
5楼-- · 2018-12-31 20:37

Y not you use id for that column? say that:

    <table width="300" border="1">
          <tr>
            <td>first</td>
          </tr>
          <tr>
            <td>second</td>
          </tr> 
          <tr>
            <td>blah blah</td>
            <td>blah blah</td>
            <td id="result">Where the result should occur</td>
          </tr>
    </table>


<script type="text/javascript">
        $('#result').html("The result is....");
</script>
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