代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
#newsTable{margin:100px auto;}
</style>
<script language="javascript" type="text/javascript" src="jquery1.1.2.js"></script><!-上傳到網絡上用這個做連接-->
<script language="javascript" type="text/javascript">
//阿會楠練習 2009-4-13
$(document).ready(function(){
$("#btnOk").click(function(){
this.value = this.value == "全選"?"反選":"全選";
$("input[@type='checkbox']").checkCbx();
});
});
//當你的代碼出現each時，你應該重寫上面的代碼來構造一個插件,jquery教程中的一句話
$.fn.checkCbx = function(){
return this.each(function(){
this.checked = !this.checked;
});
}
</script>
<title>無標題文檔</title>
</head>
<body>
<table border="1" id="newsTable">
<tr>
<th>選擇</th>
<th>Id</th>
<th>作者</th>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>1</td>
<td>阿會楠</td>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>2</td>
<td>阿會楠</td>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>3</td>
<td>阿會楠</td>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>4</td>
<td>阿會楠</td>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>5</td>
<td>阿會楠</td>
</tr>
<tr>
<td><input type="checkbox" name="cbx" /></td>
<td>6</td>
<td>阿會楠</td>
</tr>
<tr>
<td colspan="3"><input type="button" name="btnOk" id="btnOk" value="全選" /></td>
</tr>
</table>
</body>
</html>