$() is jQuery but nut $(document) any more?

[Jessige]

The line 37~38 of jquery-1.3.2.js: [code] Make sure that a selection was provided

selector = selector

document;

code

It means that $() is equal to $(document), that is very helpful. But when I updated the JQuery lib form 1.3.2 to 1.4a2, my application could not work any more.

The line 70~73 of jquery-1.4a2.js: [code] Handle $(""), $(null), or $(undefined) if ( !selector ) {

return this;

} code

Then what is $(), an empty jQuery object? Maybe it will be better if:

[code] if ( selector === undefined ) {

selector = document;

} else if ( !selector ) {

return this;

} code

BTW, some spaces are lost between ")" and "{", and some ";" are lost after "}" etc.

[Jessige]

I always use $() like this $().keypress(function(event) {

do something here

});

[dmethvin]

Correct, $() is now an empty jQuery set in 1.4. The release notes will call it out so people can change their code before upgrading. I think it's the natural interpretation but agree it's a breaking change. Create a thread in jQuery-dev if you feel like it's too breaking. :)

​http://groups.google.com/group/jquery-dev/topics

[Jessige]

Allll right, I do not know witch is better, but I like $() === $(document) still. :)