JSFiddle - React, Tailwind, and code Playground

HTML

<form id="form">
    <input type="email" name="email" required/>
    <input id="foo" type="submit"/>
    <input type="submit"/>
    
</form>

JavaScript

$("#form input:submit").click(function(e) {
    if (e.target.id == "foo") {
        alert("submitting");
        $(this).closest("form").submit();
    } else {
        alert("do the validation");
        return false;
    }
});