JSFiddle - React, Tailwind, and code Playground

HTML

<form id="search_head">
    
    <input id="query" />
    <input id="query2" placeholder="Blur me" value="Hi there" />
</form>

JavaScript

$(document).ready(function() {
    $("#query2").blur(function(e){
       $("#search_head #query").val($(this).val());
    });
});