title: querySelectorAll() print textcontent of all nodes
body: <p>this is the code i am using to get all text content from webpage. yet its not working and I do not know what i am doing wrong.</p>
  
  <pre><code>&lt;tr style="color:#000000" class="odd"&gt;
    &lt;td style="padding:5px 5px 5px 10px" align="center"&gt;&lt;input type="checkbox" name="cards[]" id="card_278002" value="278002"&gt;&lt;/td&gt;
    &lt;td align="center"&gt;411756&lt;/td&gt;
    &lt;td align="center"&gt;Sherrie&lt;/td&gt;
    &lt;td align="center"&gt;89852&lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>and thats my Js code :</p>
  
  <pre><code>function get42() {
      return document.querySelectorAll('tr&gt;td').textContent;
  }
  console.log(page.evaluate(get42));
  </code></pre>
  
  <p>Output : <code>null</code> .. what am I doing wrong ?</p>