jQuery菜单实例(全选,反选,取消)
时间:2021-04-24 09:26:49|栏目:jquery|点击: 次
废话不多说,直接上代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <input type="button" value="全选" onclick="checkAll()"> <input type="button" value="反选" onclick="reverseAll()"> <input type="button" value="取消" onclick="cancleAll()"> <table border="1"> <thead> <tr> <th>选择</th> <th>IP</th> <th>端口</th> </tr> </thead> <tbody> <tr> <td><input type="checkbox"></td> <td>1.1.1.1</td> <td>80</td> </tr> <tr> <td><input type="checkbox"></td> <td>1.1.1.1</td> <td>80</td> </tr> <tr> <td><input type="checkbox"></td> <td>1.1.1.1</td> <td>80</td> </tr> <tr> <td><input type="checkbox"></td> <td>1.1.1.1</td> <td>80</td> </tr> <tr> <td><input type="checkbox"></td> <td>1.1.1.1</td> <td>80</td> </tr> </tbody> </table> <script type="text/javascript" src='jquery-3.2.1.js'></script> <script type="text/javascript"> function checkAll(){ $(':checkbox').prop('checked',true); } function cancleAll() { $(':checkbox').prop('checked',false); } function reverseAll(){ $(':checkbox').each(function(){ var v = $(this).prop('checked')? false:true; /*三元运算: var v = 条件? 真值:假值*/ $(this).prop('checked',v) }) } </script> </body> </html>
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