
function q2() {
let txt = $('input-q2').val()
console.log(txt.includes('@'))
}
jquery01.html?_ijt=6pbda9cr2a1jshtj1ti20at1l8&_ij_reload=RELOAD_ON_SAVE:29 Uncaught TypeError: Cannot read properties of undefined (reading 'includes')
at q2 (jquery01.html?_ijt=6pbda9cr2a1jshtj1ti20at1l8&_ij_reload=RELOAD_ON_SAVE:29:28)
at HTMLButtonElement.onclick (jquery01.html?_ijt=6pbda9cr2a1jshtj1ti20at1l8&_ij_reload=RELOAD_ON_SAVE:64:32)
q2 @ jquery01.html?_ijt=6pbda9cr2a1jshtj1ti20at1l8&_ij_reload=RELOAD_ON_SAVE:29
onclick @ jquery01.html?_ijt=6pbda9cr2a1jshtj1ti20at1l8&_ij_reload=RELOAD_ON_SAVE:64
이메일 박스에 abc@gmail.com을 적으면 컨솔창에서 true 메시지가 아니고 이런 에러메시지가 뜨네요~~~
