sample: getting table element in table

by sii_side

HTML

<table id="a">
  <tr>
    <td>
      <table id="b"></table>
    </td>
    <td>
      <table id="c"></table>
    </td>
  </tr>
</table>

JavaScript

var b = document.getElementById("b");
window.alert("ID ob b: " + b.id);

var c = document.getElementById("c");
window.alert("ID of c: " + c.id);