link.md

Links Back

• links are the defining feature of the web because they allow you to move from one web page to another.
• <a> is used to create a link
  • <a href="http:a//aleen42.github.io">ALEEN</a>
• URL
  • relative URL is used for linking withing own website. It's effective.
• Email
  • <a href="mailto:aleen42@vip.qq.com">aleen42@vip.qq.com</a>
• When linking to a Specific Part, you can use id. After you click upon this <a> tag, url should be have a hash changed, and location.hash should be #arc_shot. We can use window.onhashchange to listen to hash changed events.
  • <a href="#arc_shot">Arc Shot</a>
  • <h1 id="arc_shot">Arc Shot</h1>

Appendix. Optional Attributes

• target is the attribute for setting where to open links.
  • _blank: new window
    • <a href="http://aleen42.github.io" target="_blank"><\a>
  • _parent
  • _self
  • _top
• download(HTML5): used to point where to download
• type(HTML5): used to set MIME types
  • MINE types:

序号	内容类型	文件扩展名	描述
1	application/msword	doc	Microsoft Word
2	application/octet-stream	bin dms lha lzh exe class	可执行程序
3	application/pdf	pdf	Adobe Acrobat
4	application/postscript	ai eps ps	PostScript
5	appication/powerpoint	ppt	Microsoft Powerpoint
6	appication/rtf	rtf	rtf 格式
7	appication/x-compress	z	unix 压缩文件
8	application/x-gzip	gz	gzip
9	application/x-gtar	gtar	tar 文档 (gnu 格式 )
10	application/x-shockwave-flash	swf	MacroMedia Flash
11	application/x-tar	tar	tar(4.3BSD)
12	application/zip	zip	winzip
13	audio/basic	au snd	sun/next 声音文件
14	audio/mpeg	mpeg mp2	Mpeg 声音文件
15	audio/x-aiff	mid midi rmf	Midi 格式
16	audio/x-pn-realaudio	ram ra	Real Audio 声音
17	audio/x-pn-realaudio-plugin	rpm	Real Audio 插件
18	audio/x-wav	wav	Microsoft Windows 声音
19	image/cgm	cgm	计算机图形元文件
20	image/gif	gif	COMPUSERVE GIF 图像
21	image/jpeg	jpeg jpg jpe	JPEG 图像
22	image/png	png	PNG 图像