JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li id="current-page">
        <span>1</span>
    </li>
    <li id="individual-page">
        <a href="/notebooks?pagesize=4&pagenumber=2">2</a>
    </li>
    <li id="next-page">
        <a href="/notebooks?pagesize=4&pagenumber=3">3</a>
    </li>
</ul>

JavaScript

var href = $('#individual-page').closest('li').prop('id')
alert(href);