title: How to get input value on button click?
body: <p>Here is the form code: </p>
  
  <pre><code>&lt;form accept-charset="UTF-8" id="form_id" action="/" method="post"&gt;
    &lt;input type="text" value="" placeholder="Email" name="fields_email" class="email_field"&gt;
    &lt;input type="submit" value="Subscribe" name="Subscribe" class="subscribe_btn"&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>JS file : </p>
  
  <pre><code>$('.subscribe_btn').click(function(e){
    e.preventDefault();
    console.log( $("#form_id .email_field").val() );        
  });
  </code></pre>
  
  <p>How to get the live input value? On click i'm getting old value NOT live....</p>
  
  <p>Thank You, 
  Dmitry </p>