JSFiddle - React, Tailwind, and code Playground

HTML

<div class="error">
    <input type="text" name="email" />
    <div class="error-message">Please Enter Email</div>
</div>
<div class="i-icon-div">Lorem Ipsum</div>

JavaScript

$.each($(".error"), function () {
    var firstIcon = $(this).nextAll(".i-icon-div:first"),
        errorMessage = $(this).find('.error-message');
    
    if (firstIcon.length > 0) {
        firstIcon.insertAfter(errorMessage);
    }
})