abstract:<!DOCTYPE html> <html> <head> <title>全选案例</title> <style type="text/css"> .box{width: 120px;height: 250px;border: 1px so
<!DOCTYPE html> <html> <head> <title>全选案例</title> <style type="text/css"> .box{width: 120px;height: 250px;border: 1px solid #000; 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') //获取全选 item=document.getElementsByName('item[]') //获取勾选框 for (var i = 0; i < item.length; i++) { if(checkall.checked){ item[i].checked=true; //当全选被选中时,勾选框选中 }else{ item[i].checked=false; //反之,清空 } } } </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1<br> <input type="checkbox" name="item[]">选项2<br> <input type="checkbox" name="item[]">选项3<br> <input type="checkbox" name="item[]">选项4<br> <input type="checkbox" name="item[]">选项5<br> <input type="checkbox" name="item[]">选项6<br> </div> </body> </html>
Correcting teacher:韦小宝Correction time:2018-12-14 16:03:23
Teacher's summary:写的不错!全选这案例在很多的网站都是可以看到的!课后要多练习才可以哦!