Problems in checkbox Selection in jquery: problems caused by prop & amp; attr, jquerycheckbox

Problems in checkbox Selection in jquery: problems caused by prop & attr, jquerycheckbox

There are many examples on the Internet:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

After running the program, I found a problem under Firefox and was puzzled.
Problem description: for the first time, you can select all the items. Then, you can click Select all. If you do not select all the items, the system does not respond to the selected items. Then, you can use other browsers to send the selected items. Therefore, it is a problem of compatibility, later I found that the information is indeed, reference address http://jquery.com/
Solution:Replace attr with prop.It has been verified that all browsers are good. The official website indicates that prop is recommended after 1.6, which is recorded here for future use.
Which is