JSFiddle - React, Tailwind, and code Playground

HTML

<input type='text' id='hi />

JavaScript

$(document).ready(function(){
    $('input#hi').keyup(function(e){
        if(e.keyCode == 16 || e.keyCode == 13 || e.keyCode == 17 || e.keyCode ==20 ) {
            return false;
        }    
        alert('a')
    })
})