JSFiddle - React, Tailwind, and code Playground
HTML
<input type="checkbox" name="chkbox" class="a" data-id="@item.Data.CandidatePortfolioID" onclick="Checked()" />
<div class="cell" id="edit2" style="width:auto;"></div>
<div class="cell" id="edit1" style="width:auto; display:none;">
akshay
</div>
JavaScript
$("input[name='chkbox']").on("change", function () {
$("#edit1").toggle(this.checked);
});