JSFiddle - React, Tailwind, and code Playground

HTML

<table width="95%" border="0" cellspacing="0" cellpadding="3">
	<tbody>
        <tr><td>1...</td></tr>
		<tr><td>2...</td></tr>
		<tr id="first_id"><td>3...</td></tr>
		<tr id="second_id"><td>4...</td></tr>
		<tr><td>5...</td></tr>
        <tr><td>6...</td></tr>
        <tr><td>7...</td></tr>
        <tr><td>8...</td></tr>
        <tr><td>9...</td></tr>
    </tbody>
</table>

JavaScript

$(function(){
    var elems = $('table tr');
    var len = elems.length;
    for(var i=1; i<=4; i++)
       elems.eq(len-i).hide();
});