点击不同元素时，需要打印不同的弹出文本

<button id="button1">按钮1</button>
<button id="button2">按钮2</button>

document.getElementById("button1").addEventListener("click", function() {
  console.log("点击了按钮1");
});

document.getElementById("button2").addEventListener("click", function() {
  console.log("点击了按钮2");
});