Home Forums Job & Work Life JS script 도와주세요 JS script 도와주세요 Name * Password * Email <ul> <li> <a href="/pending"> <span class="_12345">Events</span> </a> </li> let x = document.querySelector(“._12345”); x.addEventListener(“click”, function(){ alert(“clicked!!”); }); 했는데 클릭을 안하네요. UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'querySelector' of undefined 라고 떠요 I agree to the terms of service Comment
