const loadButton = document.getElementById("load-btn"); const status = document.getElementById("status"); const output = document.getElementById("output"); async function loadPost() { status.textContent = "加载中..."; try { const res = await fetch("https://jsonplaceholder.typicode.com/posts/1"); const data = await res.json(); status.textContent = "加载完成"; output.textContent = `标题:${data.title}\n\n内容:${data.body}`; } catch (error) { status.textContent = "加载失败"; } } loadButton.addEventListener("click", loadPost);