JSFiddle - React, Tailwind, and code Playground
HTML
<div id="bank1.bankName">bank1.bankName</div>
<div id="bank2.bankName">bank2.bankName</div>
JavaScript
$("#bank1\\.bankName").hide();
<div id="bank1.bankName">bank1.bankName</div>
<div id="bank2.bankName">bank2.bankName</div>
$("#bank1\\.bankName").hide();