JSFiddle - React, Tailwind, and code Playground

HTML

<form action="#" method="post">
<div>
        <label for="sc" accesskey="s">Scolarship</label>&nbsp;&nbsp;&nbsp;&nbsp;
        <select name="sc" id="sc" required="required">
            <option value="0" disabled="disabled" >Select</option>
            <option value="1">No</option>
            <option value="2">Yes</option>
        </select>
    </div> 
    <input type="submit" value="Submit" />
</form>

JavaScript

$('form').submit(function(e){
    if ( document.getElementsByName('sc')[0].value == 0 ){
        alert('Select something !');    
    e.preventDefault();
    }else{
    alert("form is perfect");
    } 
});