Pre-Resolve DNS tags with jade template engine. Jade ' include ' allows you to insert the contents into another jade file simply.

pre.resolve.dns.jade

//

	Build Passing.
	
	Doctype: HTML5
	
	Jade: 1.3.0+
	
	#TODO[x]: Pre-Resolve DNS
		
		Firefox 3.5+, Chrome, Safari 5+ and IE 9+
		
		Conditional comments were disabled in IE10.
		However, IE10+ are much less buggy than the earlier ones.
		So I supposed that they are the browser just like google 
		browser(A Level).

	#TODO[X]: Setup Example

		- var opts = {

			ie9: true,

			prefetchUrl: [

				'//www.google-analytics.com/',

				'//s17.cnzz.com/',

				'//tony-stark.github.io/'

			]

		}
		
	#TODO[x]: Dependencies
		
		initialization.jade (//gist.github.com/Tony-Stark/9d7359ff69ef8336b151)
		
	Author: 沈维忠 ( Shen Weizhong / Tony Stark )
		
		Cell Phone: (+86) 15921299022

		Github：//github.com/Tony-Stark/
		
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		WhatsApp：15921299022

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		Line：shenweizhong
		
		Email: [email protected], [email protected], [email protected], [email protected], [email protected]

	Version: 0.1.7-alpha

	Creation Date: ~ ( Tony ).

	Last Update: 2014.08.15 20:16 ( Tony ).

- var opts = {ie9: true, prefetchUrl: ['//www.google-analytics.com/', '//s17.cnzz.com/', '//tony-stark.github.io/']}

mixin prefetch_loop (rel, urls)

	- for (var i = 0; i < urls.length; i++)

		link(rel=rel, href=urls[i])

meta(http-equiv='x-dns-prefetch-control', content='off')

if opts.ie9

	+ie('if IE 9]', '[endif')

		+prefetch_loop('prefetch', opts.prefetchUrl)

+ie('if gt IE 9]><!--', '--<![endif')

	+prefetch_loop('dns-prefetch', opts.prefetchUrl)