title: getting table contents with javascript
body: <p>how to read data from a table  that haven't any id</p>
  
  <pre><code>&lt;table&gt;
    &lt;tr&gt;
      &lt;td&gt;td 1&lt;/td&gt;
      &lt;td&gt;td 2&lt;/td&gt;
      &lt;td&gt;td 3&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
      &lt;td&gt;td 1&lt;/td&gt;
      &lt;td&gt;td 2&lt;/td&gt;
      &lt;td&gt;td 3&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
      &lt;td&gt;td 1&lt;/td&gt;
      &lt;td&gt;td 2&lt;/td&gt;
      &lt;td&gt;td 3&lt;/td&gt;
    &lt;/tr&gt;
  &lt;/table&gt;
  </code></pre>
  
  <p>i need the text inside td1 and td3 of all tr's</p>