diff --git "a/Day21-30/Web\345\211\215\347\253\257\346\246\202\350\277\260.md" "b/Day21-30/Web\345\211\215\347\253\257\346\246\202\350\277\260.md"
index b8801e7cb4ec94298fdcafd568b1d8b92c6163d2..24b40e64c1749b2a5001c7f4cefb0f02b95188fc 100644
--- "a/Day21-30/Web\345\211\215\347\253\257\346\246\202\350\277\260.md"
+++ "b/Day21-30/Web\345\211\215\347\253\257\346\246\202\350\277\260.md"
@@ -233,10 +233,10 @@
- 访问元素
- getElementById() / querySelector()
- getElementsByClassName() / getElementsByTagName() / querySelectorAll()
- - parentNode / previousSibling / nextSibling / firstChild / lastChild
+ - parentNode / previousSibling / nextSibling / children / firstChild / lastChild
- 操作元素
- nodeValue
- - innerHTML / textContent / createElement() / createTextNode() / appendChild() / removeChild()
+ - innerHTML / textContent / createElement() / createTextNode() / appendChild() / insertBefore() / removeChild()
- className / id / hasAttribute() / getAttribute() / setAttribute() / removeAttribute()
- 事件处理
- 事件类型
@@ -286,7 +286,6 @@
- 从CDN加载jQuery
```HTML
-