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ÇѱÛÇ¥Áظí HTML5 À̹ÌÁö ¼³¸í È®Àå - longdesc
¿µ¹®Ç¥Áظí HTML5 Image Description Extension (longdesc)
Çѱ۳»¿ë¿ä¾à ´ëü ÅؽºÆ®´Â À̹ÌÁö ³»¿¡ Æ÷ÇÔµÈ ±â´É ¶Ç´Â Á¤º¸¸¦ ÅؽºÆ®·Î ¼­¼úÇÔÀ¸·Î½á ºñÁÖ¾ó Á¤º¸¸¦ Á¢±Ù °¡´ÉÇϵµ·Ï ÇÏ´Â µ¥ ÀÌ¿ëµÈ´Ù. Alt ¼Ó¼ºÀº À̹ÌÁö¿¡ ´ëÇÑ ±â´ÉÀû µ¿Àϼº ¶Ç´Â °£·«ÇÑ ¼³¸íÀ» Á¦°øÇϱâ À§ÇØ ¸¸µé¾îÁ³´Ù. ±×·¯³ª alt ¼Ó¼ºÀº ±ÛÀÚ ¼öÀÇ Á¦¾àÀÌ ÀÖ¾î À̹ÌÁö¿¡ ´ëÇÑ Á»´õ ÀÚ¼¼ÇÑ ¼³¸íÀ» Á¦°øÇÏ´Â ¿ëµµ·Î longdesc ¼Ó¼ºÀÌ ¼³°èµÇ¾ú´Ù. ÀϹÝÀûÀ¸·Î alt¼Ó¼ºÀ» ÀÌ¿ëÇÏ¿© ´ëü ÅؽºÆ®¸¦ Á¦°øÇÏÁö¸¸, Á¦°øµÇ´Â ´ëü ÅؽºÆ®°¡ 250ÀÚ ÀÌ»óÀÎ °æ¿ì¿¡´Â longdesc ¼Ó¼ºÀ» ÀÌ¿ëÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à Text alternatives are used to make visual information accessible by describing the information or function represented in an image. The alt attribute is designed to provide a concise description or functional equivalent for an image. For some images and contexts, more detail is required to convey all the information contained in the image. The longdesc attribute is designed as a means to provide this level of detail.
HTML 4 provided a longdesc attribute for the img element that enabled a machine-discoverable description of an image to be linked to the image. This extension specification defines alongdesc attribute to provide that functionality for HTML5.
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