問題想要得到div下面的擁有class屬性的span,不管理class是什么 有多少個<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title></title></head><body><div id="jie"> <span>sdfds</span> <span class="try try21">sdfds</span> <span>sdfds</span> <span class="try2 try22">sdfds</span> <span>sdfds</span> <span class="try3 ">sdfds</span> <span class="try4 sdfsd44">sdfds</span></div><script src="https://cdn.bootcss.com/jquery/1.11.0/jquery.min.js"></script><script> console.log($("#jie span").hasClass());</script></body></html>
如何得到div下面的span,有class的span,如下圖代碼
蝴蝶刀刀
2019-02-27 18:14:31
