jquery add< thead>并添加< tbody>

问题描述

如何使用jquery添加< thead> 和< tbody> ？

How do I add <thead> and <tbody> this using jquery?

问题是我的表有第1行还是第2行？

the problem is my table has 1 or 2 th rows?

$('#myTable tr:has(th)').wrap('<thead></thead>');

---

---

<table id="myTable">

<tr><th>1</th><th>2</th><th>3</th><th>4</th></tr>
<tr><th>1</th><th>2</th><th>3</th><th>4</th></tr>

<tr><td>1</td><td>2</td><td>3</td><td>4</td></tr>
<tr><td>1</td><td>2</td><td>3</td><td>4</td></tr>
<tr><td>1</td><td>2</td><td>3</td><td>4</td></tr>
<tr><td>1</td><td>2</td><td>3</td><td>4</td></tr>
<tr><td>1</td><td>2</td><td>3</td><td>4</td></tr>



</table>

推荐答案

您需要做的是删除行并追加它们是一个thead元素

What you need to do is remove the rows and append them to a thead element

var myTable = jQuery("#myTable");
var thead = myTable.find("thead");
var thRows =  myTable.find("tr:has(th)");

if (thead.length===0){  //if there is no thead element, add one.
    thead = jQuery("<thead></thead>").appendTo(myTable);    
}

var copy = thRows.clone(true).appendTo("thead");
thRows.remove();

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