Baseline Widely available
checkValidity()
㯠HTMLButtonElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ããã®è¦ç´ ãé©ç¨ãããå¶ç´æ¤è¨¼ã«ã¼ã«ãæºããã¦ãããã©ããã示ãè«çå¤ãè¿ãã¾ããfalse ã®å ´åã¯ãã¡ã½ããã¯è¦ç´ ä¸ã§ invalid
ã¤ãã³ããçºè¡ãã¾ããcheckValidity()
ã«ã¯æ¢å®ã§ãã©ã¦ã¶ã¼ã®åä½ãè¨å®ããã¦ããªãããããã® invalid
ã¤ãã³ãããã£ã³ã»ã«ãã¦ã广ã¯ããã¾ããã<button>
è¦ç´ ã® type
ã "button"
ã¾ã㯠"reset"
ã§ããå ´åããã®ãã¿ã³ãå¶ç´æ¤è¨¼ã«ãªããã¨ã¯ãªãã®ã§ã常㫠true ãè¿ãã¾ãã
ã¡ã¢: HTML ã® <button>
è¦ç´ ã§ãvalidationMessage
ã null 以å¤ã®å¤ãæã¤ãã®ã¯ä¸æ£ãªãã®ã¨è¦ãªãããCSS ã® :invalid
æ¬ä¼¼ã¯ã©ã¹ã«ä¸è´ããcheckValidity()
ã false ãè¿ãããã«ãªãã¾ãã HTMLButtonElement.setCustomValidity()
ã¡ã½ããã使ç¨ãã¦ãHTMLButtonElement.validationMessage
ã空æååã«è¨å®ããã¨ãvalidity
ç¶æ
ã妥å½ã¨ãªãã¾ãã
ãªãã
è¿å¤è¦ç´ ã®å¤ã«å¦¥å½æ§ã®åé¡ããªããã° true
ãè¿ããããã§ãªããã° false
ãè¿ãã¾ãã
次ã®ä¾ã§ã¯ãcheckValidity()
ãå¼ã³åºãã¨ãtrue
ã¾ã㯠false
ã®ãããããè¿ãã¾ãã
const element = document.getElementById("myButton");
console.log(element.checkValidity());
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