Baseline Widely available
required
㯠HTMLInputElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ããããã£ã§ããã©ã¼ã ãéä¿¡ããåã«ã¦ã¼ã¶ã¼ãå¤ãå
¥åããªããã°ãªããªããã¨ãæå®ãã¾ããããã¯ã<input>
è¦ç´ ã® required
屿§ãåæ ãã¾ãã
HTML ã®è«ç屿§ã§ãã required
屿§ã¯ãåã hidden
ãrange
ãcolor
ãsubmit
ãreset
ãbutton
ãimage
ã®å ´åã«ã¯ç¡è¦ããã¾ããããããã®å
¥ååã«ããã¦ããã®å±æ§ãåå¨ããå ´åã«ã¯ required
ããããã£ã true
ã¨ãªãããã以å¤ã®å ´åã«ã¯ false
ã¨ãªãã¾ãã
å¿
é å
¥åã«å¤ãå
¥åããã¦ããªãå ´åãValidityState
ãªãã¸ã§ã¯ãã®èªã¿åãå°ç¨ã® valueMissing
ããããã£ã¯ true ã«ãªãã¾ãã
è«çå¤ã§ãã
ä¾const inputElement = document.getElementById("name");
console.log(inputElement.required);
inputElement.required = true;
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å ±
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4