Sha256: 15b40274d03c70fd4395a5440c499ab28a05ed8faea425eac1f03d0498026a1a
Contents?: true
Size: 1.77 KB
Versions: 5
Compression:
Stored size: 1.77 KB
Contents
/*! Picturefill - Responsive Images that work today. (and mimic the proposed Picture element with span elements). Author: Scott Jehl, Filament Group, 2012 | License: MIT/GPLv2 */
(function( w ){
// Enable strict mode
"use strict";
w.picturefill = function() {
var ps = w.document.getElementsByTagName( "span" );
// Loop the pictures
for( var i = 0, il = ps.length; i < il; i++ ){
if( ps[ i ].getAttribute( "data-picture" ) !== null ){
var sources = ps[ i ].getElementsByTagName( "span" ),
matches = [];
// See if which sources match
for( var j = 0, jl = sources.length; j < jl; j++ ){
var media = sources[ j ].getAttribute( "data-media" );
// if there's no media specified, OR w.matchMedia is supported
if( !media || ( w.matchMedia && w.matchMedia( media ).matches ) ){
matches.push( sources[ j ] );
}
}
// Find any existing img element in the picture element
var picImg = ps[ i ].getElementsByTagName( "img" )[ 0 ];
if( matches.length ){
var matchedEl = matches.pop();
if( !picImg ){
picImg = w.document.createElement( "img" );
picImg.alt = ps[ i ].getAttribute( "data-alt" );
}
picImg.src = matchedEl.getAttribute( "data-src" );
matchedEl.appendChild( picImg );
}
else if( picImg ){
picImg.parentNode.removeChild( picImg );
}
}
}
};
// Run on resize and domready (w.load as a fallback)
if( w.addEventListener ){
w.addEventListener( "resize", w.picturefill, false );
w.addEventListener( "DOMContentLoaded", function(){
w.picturefill();
// Run once only
w.removeEventListener( "load", w.picturefill, false );
}, false );
w.addEventListener( "load", w.picturefill, false );
}
else if( w.attachEvent ){
w.attachEvent( "onload", w.picturefill );
}
}( this ));
Version data entries
5 entries across 5 versions & 1 rubygems