title: JQuery how can i check if the textbox is empty
body: <p>I'm trying to know if the textbox is empty when i change of textbox, how can i do it? i tried to create a script, but i totally failed.</p>
  
  <p>I'm new at jQuery.</p>
  
  <p>Here my js script</p>
  
  <pre><code>$("#description").blur(function())){
  if ($("#description").val() == "") alert ("Empty!");
  }}
  </code></pre>
  
  <p>I want to know if my textarea is empty or not</p>
  
  <pre><code>&lt;label&gt;Description&lt;/label&gt;
  &lt;textarea cols="55" rows="3" id="description" name="description"&gt;
  &lt;/textarea&gt;
  &lt;br&gt;&lt;br&gt;
  </code></pre>
  
  <p>What do i need to do? I dont want to call a function inside the textarea</p>