matchMedia.js/matchMedia.js at 0.1.0 · paulirish/matchMedia.js · GitHub

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Newer

Older

100644 37 lines (24 sloc) 0.971 kb

Raw Normal view History

4b31172 crunch-friendlier attribution. :) scottjehl authored Jan 16, 2012
		1	/! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license /
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Mar 31, 2011
		2
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		3	window.matchMedia = window.matchMedia \|\| (function( doc, undefined ) {
		4
		5	"use strict";
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		6
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		7	var bool,
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		8	docElem = doc.documentElement,
		9	refNode = docElem.firstElementChild \|\| docElem.firstChild,
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		10	// fakeBody required for <FF4 when executed in <head>
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		11	fakeBody = doc.createElement( "body" ),
		12	div = doc.createElement( "div" );
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		13
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		14	div.id = "mq-test-1";
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		15	div.style.cssText = "position:absolute;top:-100em";
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		16	fakeBody.style.background = "none";
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		17	fakeBody.appendChild(div);
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		18
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		19	return function(q){
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		20
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		21	div.innerHTML = "<style media=\"" + q + "\"> #mq-test-1 { width: 42px; }</style>";
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		22
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		23	docElem.insertBefore( fakeBody, refNode );
50fb527 strict compare Scott Jehl authored Jun 7, 2012
50fb527 strict compare Scott Jehl authored Jun 7, 2012		24	bool = div.offsetWidth === 42;
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		25	docElem.removeChild( fakeBody );
		26
		27	return {
		28	matches: bool,
		29	media: q
		30	};
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		31
50c64c8 big refactor to incorporate nicholas's technique. paulirish authored Apr 1, 2011
		32	};
795df18 IE is the whiniest fixes #10 paulirish authored Apr 5, 2012
		33
35b041e just some edits to coding style, and added "use strict" for linty freshn... Scott Jehl authored Sep 13, 2012
		34	}( document ));
154509a add back examples. paulirish authored Mar 31, 2011
		35
		36

Something went wrong with that request. Please try again.