jQuery.extend( ๋์, object1 [, objectN ] ) โ ๋ ์ด์์ ๊ฐ์ฒด์ ๋ด์ฉ์ ์ฒซ ๋ฒ์งธ ๊ฐ์ฒด๋ก ๋ณํฉํฉ๋๋ค. https://api.jquery.com/jquery.extend/ jQuery.extend() | jQuery API Documentation Description: Merge the contents of two or more objects together into the first object. When two or more object arguments are supplied to $.extend(), properties from all of the objects are added to the target object. Arguments that are null or ..