jquery中checkbox賦值

1、html

<input type="checkbox" id="a" name="coffee" value="A">A<br />

2、js

$("input[id='a']").attr("checked","checked");
$("#a").attr("checked","checked");

注：以上均可賦值

https://blog.csdn.net/u011287511/article/details/54311038

http://www.w3cbest.com/43.html