如何使用jquery获取没有Id的动态创建的子元素的高度

var height = $('.my-class').height();
console.log(height);

var parent = $('#parent-element');
var childHeight = parent.find('.my-class').height();
console.log(childHeight);

$('button').on('click', function() {
  var newElement = $('<div class="my-class">Dynamic content</div>');
  $('#parent-element').append(newElement);
  var childHeight = newElement.height();
  console.log(childHeight);
});