触发单一覆盖的多个div

<div class="container">
  <button onclick="toggleDivs()">点击触发</button>
  <div class="div1">内容1</div>
  <div class="div2">内容2</div>
  <div class="div3">内容3</div>
</div>

.container {
  position: relative;
}

.container div {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.container div.active {
  display: block;
}

function toggleDivs() {
  var divs = document.querySelectorAll('.container div');
  for (var i = 0; i < divs.length; i++) {
    divs[i].classList.toggle('active');
  }
}