JSFiddle - React, Tailwind, and code Playground

HTML

<form action="">
<input id="price" type="text" value="0" />
</form>

JavaScript

$('#price').blur(function(){
    if($(this).val() !='Preço em USD' && isNaN($(this).val()))
    {
        alert("Enter Integer only ...");
        
        setTimeout(function(){
        $('#price').focus();
        },100);
    }
});