JSFiddle - React, Tailwind, and code Playground
http://stackoverflow.com/questions/16451750/stuck-trying-to-get-an-href-attribute-value-below-the-div-on-a-mouseenter/16452510#16452510
HTML
<a href="somelink">some value</a>
<div class="menu_info1">
<div class="menu_info2"></div>
<div class="user_menu popover">
<div class="user_menu_nipple"></div>
<div class="user_menu_list"></div>
<a href="someotherlink" class="targetclass" data-name="What_I_Need">target</a>
<a href="someotherlink" class="targetclass" data-name="What_I_Need">target 123</a>
</div>
</div>
JavaScript
$(".targetclass").mouseenter(function(e) {
var data = $(this).data("name");
console.log(data);
alert('123');
});