JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>

<div class="container">
    <ul class="nav nav-pills" id="tabs">
        <li class="active"><a href="#tab1" data-toggle="pill">Tab 1</a></li>
        <li><a href="#tab2" data-toggle="pill">Tab 2</a></li>
    </ul>
      
    <div class="tab-content">
        <div class="tab-pane active" id="tab1">
            <form class="form" id="form1">
                <div class="form-group">
                    <label>Input 1</label>
                    <input id="input1" name="input1" type="text" class="form-control" />
                </div>
                
                <input id="Submit1" type="submit" class="btn btn-primary" value="Submit" />
            </form>
        </div>

        <div class="tab-pane" id="tab2">
            <form class="form" id="form2">
                <div class="form-group">
                    <label>Input 2</label>
                    <input id="input2" name="input2" type="text" class="form-control" />
                </div>
                
                <input id="Submit2" type="submit" class="btn btn-primary" value="Submit" />
            </form>
        </div>
    </div>
</div>

JavaScript

var form1 = $("#form1").validate({
    ignore: '',
    rules: {
        "input1": "required"
    }
});

var form2 = $("#form2").validate({
    ignore: '',
    rules: {
        "input2": "required"
    }
});

$("#form1").submit(function (e) {
    e.preventDefault();
    
    if (form1.valid() && form2.valid()) {
        alert("Post Data");
    } else {
        alert("Not Valid");
    }
});

$("#form2").submit(function (e) {
    e.preventDefault();
    
    if (form1.valid() && form2.valid()) {
        alert("Post Data");
    } else {
        alert("Not Valid");
    }
});