获取父div元素中的子数组值

<div id="parentDiv">
  <div class="childDiv">Value 1</div>
  <div class="childDiv">Value 2</div>
  <div class="childDiv">Value 3</div>
</div>

var parentDiv = document.getElementById("parentDiv");
var childDivs = parentDiv.querySelectorAll(".childDiv");

var childValues = [];
for (var i = 0; i < childDivs.length; i++) {
  childValues.push(childDivs[i].textContent);
}

console.log(childValues);