JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="name">show</div>
    <div class="div_lines">
    <code class="lines">
        <div class="line">1</div>
        <div class="line">2</div>
        <div class="line">3</div>
        <div class="line">4</div>
        <div class="line">5</div>
        <div class="line">6</div>
        <div class="line">7</div>
        <div class="line">8</div>
        <div class="line">9</div>
        <div class="line">10</div>
        <div class="line">11</div>
        <div class="line">12</div>
        <div class="line">13</div>
        <div class="line">14</div>
        <div class="line">15</div>
        <div class="line">16</div>
        <div class="line">17</div>
        <div class="line">18</div>
        <div class="line">19</div>
        <div class="line">20</div>
        <div class="line">21</div>
        <div class="line">22</div>
        <div class="line">23</div>
        <div class="line">24</div>
        <div class="line">25</div>
        <div class="line">26</div>
        <div class="line">27</div>
        <div class="line">28</div>
        <div class="line">1</div>
        <div class="line">2</div>
        <div class="line">3</div>
        <div class="line">4</div>
        <div class="line">5</div>
        <div class="line">6</div>
        <div class="line">7</div>
        <div class="line">8</div>
        <div class="line">9</div>
        <div class="line">10</div>
        <div class="line">11</div>
        <div class="line">12</div>
        <div class="line">13</div>
        <div class="line">14</div>
        <div class="line">15</div>
        <div class="line">16</div>
        <div class="line">17</div>
        <div class="line">18</div>
        <div class="line">19</div>
        <div class="line">20</div>
        <div class="line">21</div>
        <div class="line">22</div>
        <div class="line">23</div>
        <div class="line">24</div>
        <div class="line">25</div>
        <div class="line">26</div>
        <div...

JavaScript

var lines=document.getElementsByClassName('line');
lines[lines.length-5].scrollIntoView();