$() vs []

$() $('') $("") $(``) $('.a') Object object obj obj = $('.a') obj obj[0] `${obj[0]}` $(obj[0]) let obj = $('.a') typeof obj 👉 object(typeof) obj 👉 Object(Prototype) obj[0] 👉 Element(JS) `${ obj[0] }` 👉 string   $( obj[0] ) 👉 Element(JQ)

[] [''] [""] [``] [`a`] Array array arr arr = [`a`] arr arr[0] `${arr[0]}` $(`${arr[0]}`) let arr = [`a`] typeof arr 👉 object(typeof) arr 👉 Array(0)(Prototype) arr[0] 👉 string `${ arr[0] }` 👉 string $( `${ arr[0] }` ) 👉 Element(JQ)

Array(JS), https://codeyun2.tistory.com/entry/%EB%94%A5%EB%8B%A4%EC%9D%B4%EB%B8%8C-27-%EB%B0%B0%EC%97%B41