title: i want to scrap text div with flutter
body: <p><strong>i want to select the text div . this is html classes show the picture below please ,in my code i select the parent class all_coll_row and i want to select the children class with index</strong></p>
  <p><a href="https://i.stack.imgur.com/ynliu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ynliu.png" alt="this is html classes" /></a></p>
  <p><a href="https://i.stack.imgur.com/7Zf1g.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7Zf1g.png" alt="this is my code i select the parent class all_coll_row and i want to select the children class with index 2" /></a></p>
  <p><a href="https://i.stack.imgur.com/rhULj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rhULj.png" alt="After run my code i show this exception" /></a></p>