Baseline Widely available
deref()
㯠WeakRef
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§å
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ãã¼ã¸ã® WeakRef ã®æ³¨æäºé
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§ãã¦ãã ããã
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const tick = () => {
// å¼±åç
§ããè¦ç´ ãåå¾ãã (ã¾ã åå¨ãã¦ããã°)
const element = this.ref.deref();
if (element) {
element.textContent = ++this.count;
} else {
// è¦ç´ ãæ¢ã«åå¨ããªãå ´å
console.log("ãã®è¦ç´ ã¯æ¶æ»
ãã¾ãã");
this.stop();
this.ref = null;
}
};
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