JSFiddle - React, Tailwind, and code Playground

HTML

<form id="outerForm" onsubmit="submitOuter()">
    <form id="innerForm" onsubmit="submitInner()">
        <button type="submit" form="innerForm">Search</button>
    </form>
    
    <button type="submit" form="outerForm">Next Step</button>
</form>

JavaScript

function submitOuter(){
  alert("outer");  
};

function submitInner(){
  alert("inner");  
};