title: jQuery: Check whether val() has a specific value or not upon form submit
body: <p>I'm trying to check whether val() has a specific value or not inside a form, if so deleting the contents / preventing the form being submitted depending on if both fields are filled in (stringOne and stringTwo). There's a default text for each input field, the first being "Namn, telefonnr, sökord" and the second "Område, plats, ort". If a user only fills in the first field the second must be cleared before the form string is passed on and vice versa.
  Like so -</p>
  
  <pre><code>// "This" refers to the form's submit button
  if (($(this).siblings('input.stringOne').val("Namn, telefonnr, sökord")) &amp;&amp; ($(this).siblings('input.stringTwo').val("Område, plats, ort"))) {
      return false; // If nothing's filled in, then do not submit
  } else {
      // If either field is not filled in, clear it
      if ($(this).siblings('input.stringOne').val("Namn, telefonnr, sökord")) {
          $(this).siblings('input.stringOne').val() == '';
      }
      if ($(this).siblings('input.stringTwo').val("Område, plats, ort")) {
          $(this).siblings('input.stringTwo').val() == '';
      }
  }
  </code></pre>
  
  <p>jQuery version 1.2.6.</p>