abstract:<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>全选</title> <style type="text/css"> .box{width: 120px;
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>全选</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 #ccc;padding-bottom: 5px;} .box input{margin: 8px;} </style> <script type="text/javascript"> function checkAll() { var checkall,item; checkall=document.getElementById('checkall') item=document.getElementsByName("item[]") 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:灭绝师太Correction time:2019-03-05 09:24:27
Teacher's summary:全选案例在后期的使用场景很多,要多多练习掌握!