GitBucket
HIROSE Yuuji
document.addEventListener("DOMContentLoaded", ()=>{
document.getElementById("h1").addEventListener("click", (e) => {
alert("Hello");
}, false);
});
GitBucket
document.addEventListener("DOMContentLoaded", ()=>{
document.getElementById("h1").addEventListener("click", (e) => {
alert("Hello");
}, false);
});