jQuery .size() method gives the total number of element present in the object. But size() method is not preferred as jQuery has .length property. It does the same thing but the .length property does not have the overhead of a function call.
If you like this question & answer and want to contribute, then write your question & answer and email to freewebmentor[@]gmail.com. Your question and answer will appear on FreeWebMentor.com and help other developers.