#2-6 DOM If else Function practice

DOM과 조건문

const title = document.getElementById("title"); 
const BASE_COLOR = "red";
const OTHER_COLOR = "blue";
 
function handleClick(){
    const currentColor = title.style.color;
    if(currentColor === BASE_COLOR){
        title.style.color = OTHER_COLOR;
    } else {
        title.style.color = BASE_COLOR;
    }
    console.log(currentColor);
}
 
function init(){
    title.style.color = BASE_COLOR;
    title.addEventListener("click", handleClick); // 원할 때 handleClick 호출
}
init();

와이파이 껐다 키기 

function handleOffline(){
    console.log("test off");
}
 
function handleOnline(){
    console.log("test on");
}
 
function init(){
    window.addEventListener("offline", handleOffline);
    window.addEventListener("online", handleOnline);
}
init();