JSFiddle - React, Tailwind, and code Playground

by César Miguel Cação

HTML

<form>
    <input type="text" id="idInputNome" onchange="verificaInt()" />
    <input type="button" value="enviar" onclick="verificaSubmitForm()"/>
    <input type="submit" id="btnSubmitForm" value="enviar" style="visibility:hidden;"/>
</form>

JavaScript

var ErroFormulario;
verificaInt = function(){
    var verifyInt = /\d+/g;
    if ($("#idInputNome").val().match(verifyInt) != null) {
        ErroFormulario = true;
        alert("A input Nome contém caracteres numéricos!");
    }else{
        ErroFormulario = false;
    }
}

verificaSubmitForm = function(){ 
    if(ErroFormulario == true){
        alert("Erros de formulário!");
    }else{
        $("#btnSubmitForm").click();
    }
}