Development, which often can not distinguish between the role and usage between the two, this subtotal, Changlaikankan:
1. val () method for setting and getting values of the form elements, for example: input, the value of the textarea. For jQuery object.
// to id = name of the element, the set value (value attribute is "John Doe") $ ( " to the #NAME " ) .val ( " John Doe " ); // get the value $ ( " to the #NAME " ) .val ( );
2. value the DOM object (html tag) of a property can be used to obtain, it can also be used provided:
= obj.value " to set obj value " ; // no parentheses
3. Finally, the difference between js objects (DOM object) and jQuery object itself google. So the two can not be mixed up with.