Retrieve data from Html Table

Retrieve data from Html Table

Hi there, 
I hava a form with some input and a table, like this

  1. <form id='form'>
  2.     <label >City</label>
  3.        <input type='text'>
  4.        <table>
  5.            <th>Link</th>
  6.            <th>Description</>
  7.            <tboby>
  8.              <tr>
  9.                  <td>Link1</td>
  10.                  <td>Description 1</td>
  11.             </tr>
  12.   <tr>
  13.                  <td>Link2</td>
  14.                  <td>Description 2</td>
  15.             </tr>
  16.   <tr>
  17.                  <td>Link3</td>
  18.                  <td>Description 3</td>
  19.             </tr>
  20. ............
  21. <button type ='button'>Submit</button>
I need store all this data into 2 table in mysql by ajax
My problem is  I can't understand how store html table data with jQuery to pass it at php.