ç”»åƒç½®æ›ã®ã‚ã‚Œ - {u:b}元記事 http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement/ 紹介記事 http://coliss.com/articles/build-websites/operation/css/css-hack-new-image-eplacement-by-zeldman.html 元記事ã®æœ€å¾Œã«ã“ã†ã„ã†æ–‡ãŒã‚ã‚Šã¾ã™ã€‚ Performance is dramatically improved because a 9999px box is not drawn. Noticeably so in animations on the iPad 1. ã§ã€å…ƒè¨˜äº‹ã«å¯„ã›ã‚‰ã‚ŒãŸ Paul Irish ã«ã‚ˆã‚‹ã‚³ãƒ¡ãƒ³ãƒˆã€‚ Over at the HTML5 Boilerplate project we
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