Baseline Widely available
HTMLFormElement
ã® elements
ããããã£ã¯ã HTMLFormControlsCollection
ã§ <form>
è¦ç´ ã«å«ã¾ãã¦ãããã¹ã¦ã®ãã©ã¼ã ã³ã³ããã¼ã«ãåæãã¦è¿ãã¾ãã
ããã¨ã¯å¥ã«ã length
ããããã£ã使ç¨ãã¦ãã©ã¼ã ã³ã³ããã¼ã«ã®æ°ã ããåå¾ãããã¨ãã§ãã¾ãã
è¿ãããéåã®ä¸ã®ç¹å®ã®ãã©ã¼ã ã³ã³ããã¼ã«ã«ã¢ã¯ã»ã¹ããã«ã¯ãæ·»åãè¦ç´ ã® name
ã¾ã㯠id
屿§ã®ããããã使ç¨ãã¾ãã
HTML 5 ããåã®ãã¼ã¸ã§ã³ã§ã¯ãè¿ããããªãã¸ã§ã¯ã㯠HTMLCollection
ã§ããã HTMLFormControlsCollection
ããã«åºã¥ãã¦ãã¾ãã
ã¡ã¢: åæ§ã«ãæå®ãããææ¸å
ã®ãã¹ã¦ã®ãã©ã¼ã ã®ä¸è¦§ãåå¾ããã«ã¯ããã®ææ¸ã® forms
ããããã£ã使ç¨ãã¦ãã ããã
ãã©ã¼ã ã«å«ã¾ãããã¹ã¦ã®éç»åã³ã³ããã¼ã«ãå
¥ã£ã HTMLFormControlsCollection
ã§ãã ããã¯çããéåã§ãããã©ã¼ã ã³ã³ããã¼ã«ããã©ã¼ã ã«è¿½å ãããããã©ã¼ã ããåé¤ããããããã¨ããã®éåã¯ãã®å¤æ´ãåæ ããããã«æ´æ°ããã¾ãã
è¿ãããã³ã¬ã¯ã·ã§ã³å ã®ãã©ã¼ã ã³ã³ããã¼ã«ã¯ãããªã¼ã®åé ãæ·±ãåªå ã®é åºã«å¾ããã¨ã§ããã©ã¼ã ã«ç¾ããã®ã¨åãé åºã«ãªãã¾ãã ããã¯ãããªã¼é ã¨å¼ã°ãã¾ãã
以ä¸ã®è¦ç´ ã®ã¿ãè¿ããã¾ãã
<button>
<fieldset>
<input>
ï¼ãã ãã type
ã "image"
ã§ãããã®ã¯ãéå»ã®çµç·¯ããé¤å¤ããã¦ãã¾ãï¼ã<object>
<output>
<select>
<textarea>
ãã®ä¾ã§ã¯ããã©ã¼ã ã³ã³ããã¼ã«ã®ä¸è¦§ãåå¾ããæ¹æ³ã¨ãæ·»åã¨ååã¾ã㯠ID ã§ãã®ã¡ã³ãã¼ã«ã¢ã¯ã»ã¹ããæ¹æ³ã«ã¤ãã¦èª¬æãã¾ãã
<form id="my-form">
<label>
ã¦ã¼ã¶ã¼å:
<input type="text" name="username" />
</label>
<label>
ãã«ãã¼ã :
<input type="text" name="full-name" />
</label>
<label>
ãã¹ã¯ã¼ã:
<input type="password" name="password" />
</label>
</form>
const inputs = document.getElementById("my-form").elements;
const inputByIndex = inputs[0];
const inputByName = inputs["username"];
ãã©ã¼ã ã³ã³ããã¼ã«ã¸ã®ã¢ã¯ã»ã¹
ãã®ä¾ã§ã¯ããã©ã¼ã ã®è¦ç´ ãªã¹ããåå¾ãããã®ãªã¹ããå復å¦çãã¦ãä½ããã®å¦çãè¡ããããã« "text"
åã® <input>
è¦ç´ ãæ¢ããã®ã§ãã
const inputs = document.getElementById("my-form").elements;
// Iterate over the form controls
for (let i = 0; i < inputs.length; i++) {
if (inputs[i].nodeName === "INPUT" && inputs[i].type === "text") {
// Update text input
inputs[i].value.toLocaleUpperCase();
}
}
ãã©ã¼ã ã®ç¡å¹å
const inputs = document.getElementById("my-form").elements;
// Iterate over the form controls
for (let i = 0; i < inputs.length; i++) {
// Disable all form controls
inputs[i].setAttribute("disabled", "");
}
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§
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