JSFiddle - React, Tailwind, and code Playground

by calder12

HTML

<form action="" id="myForm">
    <div class="formElement">
    <label id="nLabel">NOME</label>
    <input type="text" name="NOME" id="nome"/>
    </div>
    <div class="formElement">
    <label id="tLabel">TELEFONE</label>
    <input type="text" name="telefone" id="telefone" />
    </div>
    <input type="submit" value="CLICK ME" />
</form>

CSS

label{
    font-family:sans-serif;
    width:120px;
    height:40px;
    text-align:center;
    color:#FFF;
    background-color:blue;
    display:table-cell;
    vertical-align:middle
}
input[type="text"]{
    width:250px;
    height:40px;
    border:1px solid #CCC;}
.formElement{
    display:table;
    margin-bottom:5px;
}
input[type="submit"]{
    padding:5px 20px;
    background-color:#AAA;
    color:#FFF;
    border:none;
    outline:none;
    width:120px;
    height:40px;
    cursor:pointer;
}
input[type="submit"]:hover{
    background:black;
}

JavaScript

$("#myForm").submit(function(){
    if($("#telefone").val()==''){
        $("#tLabel").css("background","#FF0000");
        return false;
    } else {
        $("#tLabel").css("background","blue");
        alert($("#telefone").val());
    }        
});