JSFiddle - React, Tailwind, and code Playground

HTML

<table id="first">
    <tr><td>heading</td></tr>
    <tr><td>1</td></tr>
    <tr><td>2</td></tr>
    <tr><td>3</td></tr>
    <tr><td>4</td></tr>
</table>
    
<table id="second">
    <tr><td>heading</td></tr>
    <tr><td><input type="text" value="5"/></td></tr>
    <tr><td><input type="text" value="5"/></td></tr>
    <tr><td><input type="text" value="5"/></td></tr>
    <tr><td><input type="text" value="5"/></td></tr>
</table>

JavaScript

$("#first td:gt(0):nth-child(1)").css("color", "red");

var values = $("#second td:gt(0):nth-child(1) :input").map(function() {
    return this.value;
}).get();
alert(values);