Update README.md

Author: robertsource

README.md

@@ -1 +1,47 @@
-# nodejs learning examples
+[TOCM]
+
+[TOC]
+
+# Heading 1
+## Heading 2               
+### Heading 3
+#### Heading 4
+##### Heading 5
+###### Heading 6
+# Heading 1 link [Heading link](https://github.com/pandao/editor.md "Heading link")
+## Heading 2 link [Heading link](https://github.com/pandao/editor.md "Heading link")
+### Heading 3 link [Heading link](https://github.com/pandao/editor.md "Heading link")
+#### Heading 4 link [Heading link](https://github.com/pandao/editor.md "Heading link") Heading link [Heading link](https://github.com/pandao/editor.md "Heading link")
+##### Heading 5 link [Heading link](https://github.com/pandao/editor.md "Heading link")
+###### Heading 6 link [Heading link](https://github.com/pandao/editor.md "Heading link")
+
+#### 标题（用底线的形式）Heading (underline)
+
+This is an H1
+=============
+
+This is an H2
+-------------
+
+### 字符效果和横线等
+                
+----
+
+~~删除线~~ <s>删除线（开启识别HTML标签时）</s>
+*斜体字*      `_斜体字_```
+**粗体**  __粗体__
+***粗斜体*** ___粗斜体___
+
+上标：X<sub>2</sub>，下标：O<sup>2</sup>
+
+**缩写(同HTML的abbr标签)**
+
+> 即更长的单词或短语的缩写形式，前提是开启识别HTML标签时，已默认开启
+
+The <abbr title="Hyper Text Markup Language">HTML</abbr> specification is maintained by the <abbr title="World Wide Web Consortium">W3C</abbr>.
+
+### 引用 Blockquotes
+
+> 引用文本 Blockquotes
+
+引用的行内混合 Blockquotes