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W3Schools tutorial..web designing

<p>The &quot;align&quot; attribute of the h1 to h6 element was <a href="javascript:NewWindow('deprecated.htm')">deprecated</a> in HTML 4.01.</p>

<p>The &quot;align&quot; attribute of the h1 to h6 element is not supported in XHTML 1.0 Strict DTD.</p>

<hr />

<h2>Example</h2> 

<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3">
  <tr>
    <th align="left" width="40%" valign="top">Source</th>
    <th align="left" width="60%" valign="top">Output</th>
  </tr>
  <tr>
    <td valign="top">&lt;h1>This is header 1&lt;/h1><br />
      &lt;h2>This is header 2&lt;/h2><br />
      &lt;h3>This is header 3&lt;/h3><br />
      &lt;h4>This is header 4&lt;/h4><br />
      &lt;h5>This is header 5&lt;/h5><br />
      &lt;h6>This is header 6&lt;/h6></td>
    <td valign="top">
<h1>This is header 1</h1>
<h2>This is header 2</h2>
<h3>This is header 3</h3>
<h4>This is header 4</h4>
<h5>This is header 5</h5>
<h6>This is header 6</h6>
    </td>
  </tr>
</table>
<br />
<hr />

<h2>Optional Attributes</h2>

<p><b>DTD</b> indicates in which <a href="tag_doctype.asp">DTD</a> the attribute is 
allowed. S=Strict, T=Transitional, and F=Frameset.</p>

<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3">
  <tr>
    <th align="left" width="20%">Attribute</th>
    <th align="left" width="20%">Value</th>
    <th align="left" width="55%">Description</th>
    <th align="left" width="5%">DTD</th>
  </tr>
  <tr>
    <td valign="top">align</td>
    <td valign="top">left<br />
    center<br />
    right<br />
    justify</td>
    <td valign="top">Specifies the alignment of the text in the header. 
    Deprecated. Use styles instead</td>
    <td valign="top">TF</td>
  </tr>
</table>

<h2>Standard Attributes</h2>

<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3"> 
  <tr>
    <td valign="top">id, class, title, style, dir, lang, xml:lang</td>
  </tr>
</table>

<p>For a full description, go to <a href="ref_standardattributes.asp">Standard
Attributes</a>.</p>

<h2>Event Attributes</h2>
<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3"> 
  <tr>
    <td valign="top">onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup</td>
  </tr>
</table>
<p>For a full description, go to <a href="ref_eventattributes.asp">Event
Attributes</a>.</p>

<hr />
<h2>Try-It-Yourself Demos</h2>
<p><a target="_blank" href="tryit.asp@filename=tryhtml_headers">Headings</a><br />
Demonstrates the different headings in an HTML document.</p>
<p><a target="_blank" href="tryit.asp@filename=tryhtml_header_center">Center 
aligned heading</a><br />
Demonstrates a center-aligned heading.</p>
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