var brands = ['Apple', 'Coca-Cola', 'Starbucks'];
undefined
var iPad = [800, 'Black', true];
undefined
typeof brands;
"object"
typeof iPad;
"object"
brands[0]
"Apple"
brands[1]
"Coca-Cola"
brands[2]
"Starbucks"
var don = ['jungho', 'coco', 'me']
undefined
don[0]
"jungho"
don[1]
"coco"
don[2]
"me"