i need some help with Javascript.
Basically i have a simple form like this:
<body>
<div class="wrapper">
<form class="login">
<p class="title">Parser</p>
<input type="Codice Identificativo" placeholder="Codice Attività" />
<input type="Start From" placeholder="Start ID From" />
<label class="selecttema" for="dropdown">Select Theme</label>
<div>
<select class="dropdown" id="dropdown" name="dropdown">
<option value="" selected="selected"></option>
<option value="1" >Test</option>
<option value="2" >Test1</option>
</select>
</div>
<button>
<i class="spinner"></i>
<span class="state">Go!</span>
</button>
</form>
</p>
</div>
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src="js/index.js"></script>
i would like after click on the button "Go!" to send a POST Request with all parameters in JSON .
i'm assuming i can use stringify JSON into index.js but i dont know how to implement it.