HTML Element: <thead>
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The HTML <thead> element indicates the header
content of a table. It appears inside a <table> element
and is used in conjunction with <tbody> and <tfoot>
elements to differentiate between different parts of the table. This can allow
browsers to scroll the table body independently of the header and footer, or to
allow printing of the header and footer at the top and bottom of each page. A <thead> element needs to come
after any <caption>
and <colgroup>
elements and before any <tbody>,
<tfoot> and <tr> elements.
The attributes
it can take are HTML
global attributes and HTML event attributes.
It used to support the align, char,
charoff and valign attributes, but these are no
longer supported by HTML 5.
To create or access such
an element in JavaScript
see here. The
corresponding HTML DOM
object supports standard
DOM properties and methods. The default style applicable to this element is
shown here.
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
table,td,th,tr,caption {border: thin solid black; border-collapse: collapse;}
th {background-color: yellow;}
thead {color: blue}
tbody {color: black}
tfoot {color: green}
</style>
</head>
<body>
Created using HTML:<br>
<table>
<thead>
<tr><th>col1</th><th>col2</th></tr>
<tr><td>1</td><td>2</td></tr>
</thead>
</table>
<br>Created using JavaScript:<br>
<span id="element"></span>
<script>
var y2a1 = document.createElement("TH"); y2a1.textContent = "col1";
var y2a2 = document.createElement("TH"); y2a2.textContent = "col2";
var y2a = document.createElement("TR"); y2a.appendChild(y2a1); y2a.appendChild(y2a2);
var y2b1 = document.createElement("TD"); y2b1.textContent = "1";
var y2b2 = document.createElement("TD"); y2b2.textContent = "2";
var y2b = document.createElement("TR"); y2b.appendChild(y2b1); y2b.appendChild(y2b2);
var y2 = document.createElement("THEAD"); y2.appendChild(y2a); y2.appendChild(y2b);
var x = document.createElement("TABLE");
x.appendChild(y2);
document.getElementById("element").appendChild(x);
</script>
</body>
</html>
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