<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>属性选择器学习</title> <script language="JavaScript" type="text/javascript" src="http://www.jq22.com/jquery/jquery-3.3.1.js"></script> <script language="javascript" type="text/javascript"> //使用jquery加载事件 $(document).ready(function (){ $("#btn1").click(function (){var che = [];
// 取name getElementsByName("ccq")
obj = document.getElementsByClassName("c1"); console.log(obj) check_val = []; for(k in obj){ if(obj[k].checked) check_val.push(obj[k].value); } console.log(check_val) console.log($("input[class=c1]:checked").length); // alert($("input[type=checkbox]:checked").length); // $('input:checkbox:checked') 等同于 $('input[type=checkbox]:checked') // 选name 则是$("input[name=ccq]:checked")
$.each($("input[class=c1]:checked"),function(i){ // window.alert("你选了："+ // $('input[type=checkbox]:checked').length+"个，其中有："+$(this).val()); che.push($(this).val()); console.log(i); }); console.log(che); });</script> </head> <body> <form method="post" action=""> <input class="c1" name="ccq" type="checkbox" value="美女" />美女 <input class="c1" name="ccq" type="checkbox" value="美男" />美男 <input class="c1" name="ccq" type="checkbox" value="大爷" />大爷 <input class="c2" name="ccq" type="checkbox" value="大妈" />大妈 <br> <input type="radio" value="男" />男 <input type="radio" value="女" />女 <br> <select id="zhiwei" size="5" multiple="multiple"> <option>PHP开发工程师</option> <option>数据库管理员</option> <option>系统分析师</option> <option>保安</option> </select> <select id="xueli"> <option>大专</option> <option>中专</option> <option>小学</option> </select> </form> <div style="clear:both;"> <input id="btn1" type="button" value="" /><br> </div> </body> </html>
$.each($("input[class=c1]:checked"),function(i){