JSFiddle - React, Tailwind, and code Playground

HTML

Name: <input type='text'>
<br>Zip Code: <input type='text' id='zip'>
<br>Something Else: <input type='text' id='somethingElse'>

JavaScript

$(document).ready(function(){
    
    $('#zip').keydown(function(e){
        //if the zero key is pressed
        if(e.keyCode==48) {
            $(this).blur();
        }
    });
    
    $('#somethingElse').focus(function(){
       $(this).val('something else when focusing here!'); 
    });
    
});