title: Remove input placeholder using jquery
body: <p>does anyone know how to remove input placeholder using jquery?</p>
  
  <p>I want to do is if one of the <code>inputbox</code> got a value...all the inputbox placeholder will be remove....does anyone know how to do that?</p>
  
  <pre><code>&lt;input type="text" name="name" placeholder="1.)"&gt;
  &lt;input type="text" name="age" placeholder="2.)"&gt;
  &lt;input type="text" name="address" placeholder="3.)"&gt;
  </code></pre>