JSFiddle - React, Tailwind, and code Playground

HTML

<form id="targetForm" method="post">
    <textarea id="myTextarea"></textarea>
    <input type="submit" value="submit" />
</form>

JavaScript

$('#targetForm').submit(function(event) {
        var text = $("#myTextarea").val();
        text = text.split(" ");
        // check for at least 10 words
        if(text.length < 10){
            console.log("prevented");
            // prevent submit
            event.preventDefault();
            return false;
        }
        console.log("submitted");
    });