JSFiddle - React, Tailwind, and code Playground
HTML
<div title="" class="interestareascategories_chn chzn-container chzn-container-multi">
<ul id="ul_deptType" class="chzn-choices">
<li id="li_dept_1" ver="old" class="search-choice"> <span>DEV</span> <a rel="3" class="search-choice-close" seq="1" href="javascript:void(0)">one</a>
</li>
<li id="li_dept_2" ver="old" class="search-choice"><span>QA</span> <a rel="3" class="search-choice-close" seq="2" href="javascript:void(0)">two</a>
</li>
<li id="selD7J_chzn_c_3" class="search-choice"><span>sag</span> <a class="search-choice-close" seq="0.19415735425269753" href="javascript:void(0)">three</a>
</li>
<li class="search-field"><span contenteditable="true" style="width: 25px;"></span>
</li>
</ul>
</div>
JavaScript
$('a[rel][seq]').on('click', function () {
alert($(this).attr('seq'));
});