JSFiddle - React, Tailwind, and code Playground

HTML

<div id="child4"></div>

<div id="child5">ib</div>

<div id="child6"></div>

<div id="child7">ii</div>

<div id="child8">iii</div>
<div id="child1" width="200px"></div><div id="child2">i</div>

JavaScript

$.expr[':'].texteq = function( elem, i, match, array ) {
        return $(elem).text() === match[3];
    };
    
    alert($("div:texteq('i')").attr("id"));