<html> <head> <title>html+css+js实现复选框全选与反选</title> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> <meta content="js,笔试题目" /> <style type="text/css"> table,tr,td { border:1px solid red; } </style> <script type="text/javascript"> function quanxuan() { for(var i=1;i<=3;i++) { var cbox_id="cb"+i; var cbox=document.getElementById(cbox_id); //alert(cbox.value); if(document.getElementById("cb_quanxuan").checked) cbox.checked=true; else cbox.checked=false;; } } function fanxuan() { for(var i=1;i<=3;i++) { var cbox_id="cb"+i; var cbox=document.getElementById(cbox_id); if(document.getElementById("cb_fanxuan").checked) {//选中反选框 if(cbox.checked) cbox.checked=false; else cbox.checked=true; } else { if(cbox.checked) cbox.checked=false; else cbox.checked=true; } } } </script> </head> <body> <form> <table> <tr> <td><input type="checkbox" />全选</td> <td>复选框全选案例</td> <td> </td> <td> </td> </tr> <tr> <td><input type="checkbox" value="1" />1</td> <td>我是傻逼1</td> <td> </td> <td> </td> </tr> <tr> <td><input type="checkbox" value="2" />2</td> <td>我是傻逼2</td> <td> </td> <td> </td> </tr> <tr> <td><input type="checkbox" value="3" />3</td> <td>我是傻逼3</td> <td> </td> <td> </td> </tr> <tr> <td><input type="checkbox" />反选</td> <td>反选案例</td> <td> </td> <td> </td> </tr> </table> </form> </body> </html>
js html css实现复选框全选与反选
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