JSFiddle - React, Tailwind, and code Playground

HTML

<div>
<form class="form-inline" style="padding-top:10px" action="" onsubmit="return someFunc();"> 
    <input id="id" type="text" placeholder="Something">
    <input type="submit" name="btn_submit" value="Submit" /> 
</form>
</div>

JavaScript

function someFunc(){
    alert('worked!');
    return false;
}