HTML코드 this is h1 1 this is h1 2 this is h1 3 click to change color click to change class mouse over this is h2 this is h3 this is h2(out of div) JS코드 // -------------------------------[이벤트동작]------------------------------- // 1. 클릭으로 색깔 바꾸기 function handleTitleClickColor() { // element가 블루면 토마토, 토마토면 블루로 const nowColor = changeColorElement.style.color; let newColor; if (nowColor==="blue") { ne..

HTML코드 this is h1 1 this is h1 2 this is h1 3 click to change color click to change class mouse over this is h2 this is h3 this is h2(out of div) JS코드 // -------------------------------[불러오기]------------------------------- // 1. id로 불러오기 const callById = document.getElementById("line1"); console.log(callById); console.log("className : ",callById.className); console.log("innerText : ",callById.in..