HTML Head

The elements of Head Section

Code Sample:

<head>
<title>TITLE</title>
<isindex>
<base href="http://www.sideway.hk/sideway/">
<script type="text/javascript" src="test.txt"></script>
<style type="text/css">p {text-align: center}</style>
<meta name="keywords" content="html, javascript">
<link rel="stylesheet" type="text/css" href="style.css">
<object id="shapeobject" data="data.shape">
no support object</object>
.....
</head>

The <title> element is used to define the title of an HTML document and is required for all HTML document. The content of the <title> element is also used as the window title of the browser.

child elements: ( #PCDATA ) -( <script> | <style> | <meta> | <link> | <object> )

attributes: lang dir

events: ---

<isindex> open tag: <isindex> end tag: ---

The <isindex> element is used to define the HTML document type is an index document. The <isindex> element also instruct the browser to create a input field for the user to key in words for the index search.

child elements: ---

attributes: id class style title lang dir prompt

events: ---

<base> open tag: <base> end tag: ---

The <base> element is used to define a default base reference of an external source for a specificed target. Therefore the <base> element must appear before any element that refers to an external source.

child elements: ---

attributes: ( href | href ) target

events: ---

The <script> element is used to define a division for the scripting language of the contained scripting statements or an external source for the client-side scripting.

child elements: ( "CDATA" )

attributes: charset type language src defer

events: ---

The <style> element is used to define the style rules for the HTML document.

child elements: ( "CDATA" )

attributes: lang dir type media title

events: ---

The <meta> element is used to define the metadata information or the identify properties of a HTML document.

child elements: ---

attributes: lang dir http-equiv name content scheme

events: ---

The <link> element is used to define the link of an external resource for conveying the relationship information to the HTML document by the browser.

child elements: ---

attributes: id class style title lang dir charset href hreflang type rel rev media target

events: onclick ondbclick onmousedown onmouseup onmouseover onmousemove onmouseout onkeypress onkeydown onkeyup

The <object> element is used to define a division for rendering an embedded object by including an object link and specifying its external application in the HTML document.

child elements: ( <param> | ( ( <p> | ( <h1> | <h2> | <h3> | <h4> | <h5> | <h6> ) | ( <ul> | <ol> | <dir> | <menu> ) | ( <pre> ) | <dl> | <div> | <center> | <noscript> | <noframes> | <blockquote> | <form> | <isindex> | <hr> | <table> | <fieldset> | <address> ) | ( ( #PCDATA ) | ( <tt> | <i> | <b> | <u> | <s> | <strike> | <big> | <small> ) | ( <em> | <strong> | <dfn> | <code> | <samp> | <kbd> | <var> | <cite> | <abbr> | <acronym> ) | ( <a> | <img> | <applet> | <object> | <font> | <basefont> | <br> | <script> | <map> | <q> | <sub> | <sup> | <span> | <bdo> | <iframe> ) | ( <input> | <select> | <textarea> | <label> | <button> ) ) ) )*

attributes: id class style title lang dir declare classid codebase data type codetype archive standby height width usemap name tabindex align border hspace vspace

events: onclick ondbclick onmousedown onmouseup onmouseover onmousemove onmouseout onkeypress onkeydown onkeyup

required Optional tag Deprecated Transitional Frameset Exclusion
Optional Element or Content Occurrence Character:
(+) one or more; (*) zero or more; (?) zero or one times; ( ) exactly once
Choice or Sequence Element or Content :
(|) or (&) and (,) sequence (+) include (-) exclude