将alt值添加到div内的所有锚标记

我想将alt值添加到特定div内的所有锚标记。我需要循环div并找到锚标记并添加alt值。结构如下像下面将alt值添加到div内的所有锚标记

<div id="ctl00_MenuTreeView" style="font-size:11px;"  onadaptedselectednodechanged="OnNodeSelected"> 
<table cellspacing="0" cellpadding="0" style="border-width:0;"> 
<tbody> 
<tr> 
<td> 
<td class="TreeViewNode ctl00_MenuTreeView_2 ctl00_MenuTreeView_6"  onmouseout="TreeView_UnhoverNode(this)"  onmouseover="TreeView_HoverNode(ctl00_MenuTreeView_Data, this)"> 
<a id="ctl00_MenuTreeViewt0" class="ctl00_MenuTreeView_0 TreeViewNode  ctl00_MenuTreeView_1 ctl00_MenuTreeView_5" style="border-style:none;font-size:1em;"  title="Home Page" onclick="TreeView_SelectNode(ctl00_MenuTreeView_Data,  this,'ctl00_MenuTreeViewt0');"  href="javascript:__doPostBack('ctl00$MenuTreeView','s/wotc/Default.aspx')">Home</a> 
</td> 
</tr> 
</tbody> 
</table> 
<table cellspacing="0" cellpadding="0" style="border-width:0;"> 
<table cellspacing="0" cellpadding="0" style="border-width:0;"> 
<table cellspacing="0" cellpadding="0" style="border-width:0;"> 
<table cellspacing="0" cellpadding="0" style="border-width:0;"> 
</div>

感谢亚历

来源

2014-01-08 user2217726

你不需要做任何的循环。到目前为止，您试过的JavaScript在哪里？ –

我如何添加alt锚定标签内部的所有表格元素内，菜单项是从asp.net treeview控件动态创建的 – user2217726

http://api.jquery.com/attr –

function OnTreeViewLoaded() { 
    $('#ctl00_MenuTreeView .TreeViewNode a').attr('alt', 'whatever'); 
}

来源

2014-01-08 19:57:39

将alt值​​添加到div内的所有锚标记

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将alt值添加到div内的所有锚标记