Baseline Widely available
validationMessage
㯠HTMLSelectElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®èªã¿åãå°ç¨ããããã£ã§ã<select>
ã³ã³ããã¼ã«ãæºãããªãï¼ããããã°ï¼æ¤è¨¼å¶ç´ãè¨è¿°ãããã¼ã«ã©ã¤ãºãããã¡ãã»ã¼ã¸ã表ãæååãè¿ãã¾ããããã¯ãã³ã³ããã¼ã«ãå¶ç´æ¤è¨¼ã®å¯¾è±¡ã§ã¯ãªãå ´åï¼HTMLSelectElement.willValidate
ã false
ã®å ´åï¼ãã¾ãã¯å¶ç´ãæºããã¦ããå ´åã¯ç©ºæååã¨ãªãã¾ãã
ããããã® <select>
è¦ç´ ãå¶ç´ã®æ¤è¨¼å¯¾è±¡ï¼willValidate
ã true
ï¼ã§ãããå¶ç´ãæºãããã¦ããªãå ´åï¼HTMLSelectElement.validity
ãªãã¸ã§ã¯ãã® valid
ããããã£ã false
ï¼ãå¤ã¯æ¤è¨¼ä¸ã«ã¦ã¼ã¶ã¼ã«è¡¨ç¤ºãããã¨ã©ã¼ã¡ãã»ã¼ã¸ã¨ãªãã¾ãã
æååã§ãã
ä¾const select = document.getElementById("mySelect");
const errorMessage = select.validationMessage;
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