JSFiddle - React, Tailwind, and code Playground

HTML

<div id="comEnt12">
    <div>
        <div>name</div>
        <div class="comment_text">comment</div>
    </div>
</div>
<div id="comEnt13">
    <div>
        <div>name</div>
        <div class="comment_text">comment</div>
    </div>
</div>
<div id="comEnt14" style="margin-left:40px;">
    <div>
        <div>name</div>
        <div class="comment_text">answer comment</div>
    </div>
</div>
<div id="comEnt15">
    <div>
        <div>name</div>
        <div class="comment_text">comment</div>
    </div>
</div>

JavaScript

$("div[id^='comEnt']").filter(function(){
    return $(this).css('margin-left') == '40px';
}).find(".comment_text").css('color','red');