even
英[ˈi:vn] 美[ˈivən]
adv.Even; even; even; more; coincidentally at...time
adj. Fair; flat; even; average
vt. Make flat; make equal
vi. Flatten; become equal
jquery even selector syntax
Function::The even selector selects every element with an even index value (such as 2, 4, 6). Index values start at 0, and all first elements are even numbers (0). The most common usage: Used with other elements/selectors to select even-numbered elements in a specified group (such as the example above).
Syntax: $(":even")
Notes: Please use the :odd selector to select odd-numbered elements .
jquery even selector example
<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("tr:even").css("background-color","#B2E0FF");
});
</script>
</head>
<body>
<html>
<body>
<h1>Welcome to My Web Page</h1>
<table>
<tr>
<th>Id</th>
<th>LastName</th>
<th>FirstName</th>
<th>Address</th>
<th>City</th>
</tr>
<tr>
<td>1</td>
<td>Adams</td>
<td>John</td>
<td>Oxford Street</td>
<td>London</td>
</tr>
<tr>
<td>2</td>
<td>Bush</td>
<td>George</td>
<td>Fifth Avenue</td>
<td>New York </td>
</tr>
<tr>
<td>3</td>
<td>Carter</td>
<td>Thomas</td>
<td>Changan Street</td>
<td>Beijing</td>
</tr>
<tr>
<td>4</td>
<td>Obama</td>
<td>Barack</td>
<td>Pennsylvania Avenue</td>
<td>Washington</td>
</tr>
</table>
</body>
</html>
</body>
</html>Click the "Run instance" button to view the online instance