Baseline 2023
Newly available
HTMLElement.attachInternals()
ã¡ã½ããã¯ã ElementInternals
ãªãã¸ã§ã¯ããè¿ãã¾ãããã®ã¡ã½ããã«ãããã«ã¹ã¿ã è¦ç´ ã HTML ãã©ã¼ã ã«åå ãããã¨ãã§ããããã«ãªãã¾ãã ElementInternals
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NotSupportedError
DOMException
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NotSupportedError
DOMException
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NotSupportedError
DOMException
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次ã®ä¾ã§ã¯ãã«ã¹ã¿ã ãã©ã¼ã ã«é¢é£ããè¦ç´ ã HTMLElement.attachInternals
ã§ä½æããæ¹æ³ã示ãã¦ãã¾ããããã¦ã ElementInternals.form
ããããã£ãã³ã³ã½ã¼ã«ã«åºåããã ElementInternals
ãªãã¸ã§ã¯ãããããã¨ãå®è¨¼ãã¦ãã¾ãã
class CustomCheckbox extends HTMLElement {
static formAssociated = true;
constructor() {
super();
this.internals_ = this.attachInternals();
}
// â¦
}
window.customElements.define("custom-checkbox", CustomCheckbox);
let element = document.getElementById("custom-checkbox");
console.log(element.internals_.form);
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