JSFiddle - React, Tailwind, and code Playground

HTML

<TABLE BORDER="1" style="border: solid 2px LightSkyBlue;">  
<TR onclick="myFunction(this)">
               <TH style="color: greenyellow;">IN</TH>
               <TH style="color: gold;">F_NAME</TH>
               <TH style="color: gold;">L_NAME</TH>
               <TH style="color: gold;">ARR_DATE</TH>
               <TH style="color: gold;">RET_DATE</TH>
               <TH style="color: gold;">PHONE</TH>
</TR>
</TABLE>

JavaScript

window.myFunction = function(e) {
    e.parentNode.parentNode.style.background = "red";
            };