title: how to hide content of the link in the same page?
body: <p>I am trying to create a blog page. In my blog page, I want give a link to the place on the same page. How can I do that with html ?</p>
  
  <pre><code>Ex sort of table of the content
  
     |------------------------------|
     |  List of smt                 |
     |     *X                       |
     |     *Y                       |
     |     *Z                       |
     |     *T                       |
     |------------------------------|
  </code></pre>
  
  <p>when user pres one of the link such as X, the same page will be loaded with content of the X .
         content of the X </p>
  
  <pre><code>   |------------------------------|
     |           X                  |
     |   X is .....                 |
     | .......................      |
     | .. . X is used in .....      |
     |------------------------------|
  </code></pre>