[jQuery][Solved] Can’t remove disabled attribute in select drop down list

At usual, we would use .removeAttr() in jquery to do that, but it won’t work !

So how to make it work ?

For the case to remove disabled attribute,

we should use .prop but no .attr to do that:

This is my example code:

For more information, please read the reference:

http://stackoverflow.com/questions/10242205/removeattr-not-removing-disabled-attribute-in-ie

http://stackoverflow.com/questions/5874652/prop-vs-attr