test.html

<!DOCTYPE html>
<html lang="zh-CN">
   <head>
      <meta charset="utf-8">
      <meta http-equiv="X-UA-Compatible" content="IE=edge">
      <meta name="viewport"
         content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
      <meta name="description" content="Heather is a online Markdown Editor">
      <meta name="keywords" content="Markdown, Heather, Editor, CodeMirror, Github, Open Source">
      <meta charset="utf-8">
      <meta http-equiv="X-UA-Compatible" content="IE=edge">
      <meta name="viewport"
         content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
      <meta name="description" content="Heather is a online Markdown Editor">
      <meta name="keywords" content="Markdown, Heather, Editor, CodeMirror, Github, Open Source">
      <link rel="stylesheet"  href="codemirror/lib/codemirror.css" media="screen">
      <link rel="stylesheet" 
         href="codemirror/addon/scroll/simplescrollbars.css" media="screen">
      <link rel="stylesheet"  href="css/markdown.css" media="all">
      <link href="fontawesome-free/css/all.min.css"  media="all" rel="stylesheet">
      <link rel="stylesheet" href="css/style.css" media="screen">
      <link rel="stylesheet" href="css/print.css" media="print">
   </head>
  
   <body>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
	<h1>test</h1>
		<button id="click1">click me</button>
		
		<textarea id="editor" cols="100" rows="20">---
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  resize in browser.
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---

# h1 Heading 8-)
## h2 Heading
### h3 Heading
#### h4 Heading
##### h5 Heading
###### h6 Heading


## Horizontal Rules

___

---

***


## Typographic replacements

Enable typographer option to see result.

(c) (C) (r) (R) (tm) (TM) (p) (P)  -

test.. test... test..... test?..... test!....

!!!!!! ???? ,,  -- ---

"Smartypants, double quotes" and 'single quotes'


## Emphasis

**This is bold text**

__This is bold text__

*This is italic text*

_This is italic text_

~~Strikethrough~~


## Blockquotes


> Blockquotes can also be nested...
>> ...by using additional greater-than signs right next to each other...
> > > ...or with spaces between arrows.


## Lists

Unordered

  Create a list by starting a line with ` `, `-`, or `*`
  Sub-lists are made by indenting 2 spaces:
  - Marker character change forces new list start:
    * Ac tristique libero volutpat at
      Facilisis in pretium nisl aliquet
    - Nulla volutpat aliquam velit
  Very easy!

Ordered

1. Lorem ipsum dolor sit amet
2. Consectetur adipiscing elit
3. Integer molestie lorem at massa


1. You can use sequential numbers...
1. ...or keep all the numbers as `1.`

Start numbering with offset:

57. foo
1. bar


## Code

Inline `code`

Indented code

    // Some comments
    line 1 of code
    line 2 of code
    line 3 of code


Block code "fences"

```
Sample text here...
```

Syntax highlighting

``` js
var foo = function (bar) {
  return bar  ;
};

console.log(foo(5));
```

## Tables

| Option | Description |
| ------ | ----------- |
| data   | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext    | extension to be used for dest files. |

Right aligned columns

| Option | Description |
| ------:| -----------:|
| data   | path to data files to supply the data that will be passed into templates. |
| engine | engine to be used for processing templates. Handlebars is the default. |
| ext    | extension to be used for dest files. |


## Links

[link text](http://dev.nodeca.com)

[link with title](http://nodeca.github.io/pica/demo/ "title text!")

Autoconverted link https://github.com/nodeca/pica (enable linkify to see)


## Images

![Minion](https://octodex.github.com/images/minion.png)
![Stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg "The Stormtroopocat")

Like links, Images also have a footnote style syntax

![Alt text][id]

With a reference later in the document defining the URL location:

[id]: https://octodex.github.com/images/dojocat.jpg  "The Dojocat"


## Plugins

The killer feature of `markdown-it` is very effective support of
[syntax plugins](https://www.npmjs.org/browse/keyword/markdown-it-plugin).


### [Emojies](https://github.com/markdown-it/markdown-it-emoji)

> Classic markup: :wink: :crush: :cry: :tear: :laughing: :yum:
>
> Shortcuts (emoticons): :-) :-( 8-) ;)

see [how to change output](https://github.com/markdown-it/markdown-it-emoji#change-output) with twemoji.


### [Subscript](https://github.com/markdown-it/markdown-it-sub) / [Superscript](https://github.com/markdown-it/markdown-it-sup)

- 19^th^
- H~2~O


### [\<ins>](https://github.com/markdown-it/markdown-it-ins)

  Inserted text  


### [\<mark>](https://github.com/markdown-it/markdown-it-mark)

==Marked text==


### [Footnotes](https://github.com/markdown-it/markdown-it-footnote)

Footnote 1 link[^first].

Footnote 2 link[^second].

Inline footnote^[Text of inline footnote] definition.

Duplicated footnote reference[^second].

[^first]: Footnote **can have markup**

    and multiple paragraphs.

[^second]: Footnote text.


### [Definition lists](https://github.com/markdown-it/markdown-it-deflist)

Term 1

:   Definition 1
with lazy continuation.

Term 2 with *inline markup*

:   Definition 2

        { some code, part of Definition 2 }

    Third paragraph of definition 2.

_Compact style:_

Term 1
  ~ Definition 1

Term 2
  ~ Definition 2a
  ~ Definition 2b


### [Abbreviations](https://github.com/markdown-it/markdown-it-abbr)

This is HTML abbreviation example.

It converts "HTML", but keep intact partial entries like "xxxHTMLyyy" and so on.

*[HTML]: Hyper Text Markup Language

### [Custom containers](https://github.com/markdown-it/markdown-it-container)

::: warning
*here be dragons*
:::
</textarea>
	  
         <script src="jquery/jquery.min.js"></script>
      <script src="js/htmlparser.js"></script>
      <script src="js/morphdom-umd.min.js"></script>
      <script src="codemirror/lib/codemirror.js"></script>
      <script src="codemirror/addon/mode/overlay.js"></script>
      <script src="codemirror/mode/javascript/javascript.js"></script>
      <script src="codemirror/mode/xml/xml.js"></script>
      <script src="codemirror/mode/markdown/markdown.js"></script>
      <script src="codemirror/mode/gfm/gfm.js"></script>
      <script src="codemirror/addon/selection/mark-selection.js"></script>
      <script src="codemirror/addon/search/searchcursor.js"></script>
      <script src="codemirror/addon/edit/continuelist.js"></script>
      <script src="codemirror/addon/scroll/simplescrollbars.js"></script>
      <script src="sweet2alert/dist/sweetalert2.all.min.js"></script>
      <script src="js/turndown.js"></script>
      <script src="js/turndown-plugin-gfm.js"></script>
      <script src="highlight/highlight.pack.js"></script>
      <script src="js/jquery.touchwipe.min.js"></script>
      <script src="js/fullscreen.js"></script>
      <script src="js/md.js"></script>
      <script src="js/all.min.js"></script>
	  <script>
	  function createEditor(config){
		var wrapper = EditorWrapper.create(config || {});
		var userAgent = navigator.userAgent;
		if(userAgent.indexOf('Windows NT 10.0') != -1 && userAgent.indexOf('Firefox') != -1){
			var textarea = wrapper.editor.getWrapperElement().querySelector('textarea');
			textarea.style.width = "1000px";
		}
		return wrapper;
	  }
	  
	  $("#click1").click(function(){
		var wrapper = createEditor({render_allowHtml:true,renderAllDocEnable:false,theme_key:'editor1'});
			wrapper.toolbar.addIcon('fas fa-times icon nofullscreen',function(){
				var markdown = htmlEntities(wrapper.getValue());
				var html = htmlEntities(wrapper.getHtml())
				wrapper.remove();
				swal({html : '<div style="text-align:left">markdown:<textarea class="swal2-textarea">' markdown '</textarea></div><div style="text-align:left">html:<textarea class="swal2-textarea">' html '</textarea></div>'});

			},function(ele){
				$(ele).hide();
				setTimeout(function(){
					$(ele).show();
				},1000)
			});
	  })
	  
	   $("#editor").click(function(){
			var editor = $(this);
			var wrapper = createEditor({toolbar_icons:['toc', 'innerBar', 'search', 'config', 'expand','preview'],theme_key:'editor2',theme_store:{
				saveJson:function(){
					
				},
				getJson:function(key){
					alert(key)
				}
			}});
			var codeMirrorEditor = wrapper.editor;
			codeMirrorEditor.setValue(editor.val());
			codeMirrorEditor.focus();
			var cursor = getPos(editor[0]);
			codeMirrorEditor.setCursor(cursor);
			codeMirrorEditor.scrollTo(null,codeMirrorEditor.heightAtLine(cursor.line,'local'))
			wrapper.onRemove(function(){swal("good bye")})
			wrapper.toolbar.addIcon('fas fa-times icon ',function(){
				editor.val(wrapper.getValue());
				wrapper.remove();
			})
			//listen resize 
			wrapper.on('resize',function(){
				console.log('resize hahaha');
			});
	  });
	  
	function getPos(textarea) {
		var lines = textarea.value.substr(0, textarea.selectionStart).split(
				"\n");
		var lineNum = lines.length - 1;
		return {
			line : lineNum,
			ch : lines[lineNum].length
		};
	}
	  
	  function htmlEntities(str) {
		var div = document.createElement("div");
		div.textContent = str;
		return div.innerHTML;
	}
	  
	  </script>
   </body>
</html>