title: activate button after another button click in javascript
body: <p>I have three button are after clicking on one button,second has to access the click and then the third .when i  click on the third button it should not work</p>
  
  <pre><code>&lt;input type="button" value="button" id="one" onclick="show()" action=""&gt;
  &lt;input type="button" value="button" id="two" onclick="show1()"&gt;
  &lt;input type="action" value="button" id="three"&gt;
  
  &lt;script&gt;
  function show{ 
  }
  &lt;/script&gt;
  </code></pre>