Baseline Widely available
alt
㯠HTMLAreaElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ããããã£ã§ããã¤ãã¼ãªã³ã¯ã®ããã¹ããæå®ããã¤ã¡ã¼ã¸ãããã®ãªã³ã¯ã®ããã¹ãã©ãã«ãå®ç¾©ãã¾ããããã¯ã <area>
è¦ç´ ã® alt
屿§ãåæ ãã¾ãã
alt
ã®å¤ã¯ãåã <map>
å
ã«ããä»ã® <area>
ãã¤ãã¼ãªã³ã¯ã® alt
ããã¹ãã¨ã¨ãã«ã <img>
èªä½ã® alt
ããã¹ãã®ãã¨ã§è¡¨ç¤ºãããã¨ãã«ã代æ¿ããã¹ãã表示ããªãå ´åã«ç»åãæä¾ãã鏿è¢ã¨åããã®ãã¦ã¼ã¶ã¼ã«ä¸ãããããªè¡¨ç¾ã«ãã¹ãã§ãã
<area>
ããªã³ã¯ã§ããï¼href
ããããã£ãå«ãï¼å ´åã alt
ããããã£ã®å¤ã¯ãç»åãå©ç¨ã§ããªãå ´åã«é©åãªãªã³ã¯ã®ã©ãã«ã¨ãªãã空ã§ãªãæååã§ãªããã°ãªãã¾ããããªã³ã¯ <area>
ã® alt
屿§ã¯ãåã <map>
å
ã«ãåããªã½ã¼ã¹ãæãã alt
屿§ã空ç½ã§ãªãå¥ã® <area>
è¦ç´ ãããå ´åã«ã®ã¿ã空ã«ãããã¨ãã§ãã¾ãã
æååã§ãã
ä¾const areaElement = document.getElementById("imageArea");
console.log(areaElement.alt);
areaElement.alt = "ã¯ããã«è¯ããªã³ã¯ã®èª¬æ";
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4