In jquery, you can use the "$("Element:not(:last-child)")" statement to select other elements except the last column; the ":last-child" selector can select the last column of elements. , the ":not()" selector is used to select elements other than the specified element.
The operating environment of this tutorial: windows7 system, jquery3.2.1 version, Dell G3 computer.
How jquery selects elements except the last column
We can use the :last-child selector and the :not(selector) selector to select elements except the last column.
The example is as follows:
<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$('tr td:not(:last-child)').css('background-color','red');
});
});
</script>
</head>
<body>
<button>选择除了最后一列的所有元素</button>
<table border="1">
<tr>
<td>one</td><td>two</td><td>three</td><td>last</td>
</tr>
<tr>
<td>blue</td><td>red</td><td>green</td><td>last</td>
</tr>
<tr>
<td>Monday</td><td>Tuesday</td><td>Wednesday</td><td>last</td>
</tr>
</table>
</body>
</html>Output result:
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