abstract:<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>全選</title> <style type="text/css"> .box{width:120px;height:25
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>全選</title> <style type="text/css"> .box{width:120px;height:250px;border:1px solid #ccc; border-radius:5px; padding:5px 10px; margin:20px auto;} .box div{border-bottom:1px solid #000; padding-bottom:10px; margin-bottom:8px;} .box input{margin:8px;} </style> <script type="text/javascript"> function checkAll(){ var checkall, item; checkall=document.getElementById('checkall'); item=document.getElementsByName("itme[]"); for(var i=0;i<item.length; i++){ if(checkall.checked){ item[i].checked=true; }else{ item[i].checked=false; } } } </script> </head> <body> <div class="box"> <div> <input type="checkbox" id="checkall" onclick="checkAll()"> <label for="checkall">全选</label> </div> <input type="checkbox" name="item[]">选项A<br> <input type="checkbox" name="item[]">选项B<br> <input type="checkbox" name="item[]">选项C<br> <input type="checkbox" name="item[]">选项D<br> <input type="checkbox" name="item[]">选项E<br> <input type="checkbox" name="item[]">选项F<br> </div> </body> </html>
Correcting teacher:天蓬老师Correction time:2019-05-25 17:29:40
Teacher's summary:写得代码很工整的, 全选 是这个原理实现的.....