Are jQuery's :first and :eq(0) selectors functionally equivalent?

Question

I\'m not sure whether to use :first or :eq(0) in a selector. I\'m pretty sure that they\'ll always return the same object, but is one speedier than the other?

I\'m

Answer 1

According to jQuery's source code, .first() is just a convenience wrapper for .eq(0):

first: function() {
    return this.eq( 0 );
},