[JavaScript] JavaScript向OL列表内动态添加LI元素的方法 →→→→→进入此内容的聊天室

来自 , 2021-04-29, 写在 JavaScript, 查看 174 次.
URL http://www.code666.cn/view/fc2e6a44
  1. <script type="text/javascript">
  2. function addItem() {
  3.  var myitem = document.getElementById("ItemToAdd").value;
  4.  var mylistItems = document.getElementById("mylist");
  5.  var newP = document.createElement("li");
  6.  var textNode = document.createTextNode(myitem);
  7.  newP.appendChild(textNode);
  8.  document.getElementById("mylist").appendChild(newP);
  9.  return false;
  10. }
  11. </script>
  12. <form onsubmit="return addItem()" action="#">
  13. <span>Grocery Items:</span>
  14. <input type="text" id="ItemToAdd" value="Milk" />
  15. <input type="button" value="Add" onclick="addItem()" />
  16. </form>
  17. <span>Grocery List:</span>
  18. <ol id="mylist"></ol>
  19. //javascript/8336

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