Baseline Widely available
entries()
㯠Set
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ãéåã®æ°ããã¤ãã¬ã¼ã¿ã¼ãªãã¸ã§ã¯ããè¿ãã¾ãããã㯠[value, value]
ã®é
åã®å½¢ã§éåã®åè¦ç´ ãæ¿å
¥é ã«è¿ãã¾ãã Set
ãªãã¸ã§ã¯ãã¯ãMap
ãªãã¸ã§ã¯ãã®ããã« key
ãæã¤ãã¨ã¯ããã¾ãããããããªãããMap
ãªãã¸ã§ã¯ãã¨ä¼¼ã API ããã¤ããã«ãããããã®é
ç®ã¯ key 㨠value ã«å¯¾ãã¦åãå¤ãæã¡ã¾ãããã®ãããé
å [value, value]
ãè¿ããã¾ãã
const set1 = new Set();
set1.add(42);
set1.add("forty two");
const iterator1 = set1.entries();
for (const entry of iterator1) {
console.log(entry);
// Expected output: Array [42, 42]
// Expected output: Array ["forty two", "forty two"]
}
æ§æ 弿°
ãªãã
è¿å¤æ°ããå復å¯è½ãªã¤ãã¬ã¼ã¿ã¼ãªãã¸ã§ã¯ãã§ãã
ä¾ entries() ã®ä½¿ç¨const mySet = new Set();
mySet.add("foobar");
mySet.add(1);
mySet.add("baz");
const setIter = mySet.entries();
console.log(setIter.next().value); // ["foobar", "foobar"]
console.log(setIter.next().value); // [1, 1]
console.log(setIter.next().value); // ["baz", "baz"]
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