title: How to generate input field in tr dynamically using jquery
body: <p>I have got a task to create input field by clicking a button.</p>
  
  <pre><code>&lt;table&gt;
      &lt;tr&gt;
          &lt;th&gt;
              Name
          &lt;/th&gt;
          &lt;th&gt;
              Age
          &lt;/th&gt;
      &lt;/tr&gt;
      &lt;tr&gt;
          &lt;td&gt;
              Nithin
          &lt;/td&gt;
          &lt;td&gt;
              24
          &lt;/td&gt;
      &lt;/tr&gt;
  &lt;/table&gt;
  &lt;button id="btn"&gt;add row&lt;/button&gt;
  </code></pre>
  
  <p>On the click of button I want to display a textbox which will allow users to add content to a table.</p>
  
  <p>How can this be done?</p>
  
  <p>EDIT:-
  I want to consider the above td.It must generate based on the above td count</p>