向按钮组按钮添加URL重定向

<div class="btn-group">
  <button id="btn1">按钮1</button>
  <button id="btn2">按钮2</button>
  <button id="btn3">按钮3</button>
</div>

document.getElementById("btn1").addEventListener("click", function() {
  window.location.href = "https://example.com/page1";
});

document.getElementById("btn2").addEventListener("click", function() {
  window.location.href = "https://example.com/page2";
});

document.getElementById("btn3").addEventListener("click", function() {
  window.location.href = "https://example.com/page3";
});