JavaScript Set entries()

kaidow da amfani

entries() hakan ya haɗa kwallon [value, value] na kai tsaye.

shaidar

masanin 1

// kafa Set
const letters = new Set(["a", "b", "c"]);
// samun dukkan nauyin
const myIterator = letters.entries();
// yin washe da dukkan nauyin
let text = "";
for (const entry of myIterator) {
  text += entry;
}

sai sai sai ci gaba da samun shi

masanin 2

// kafa Set
const letters = new Set(["a", "b", "c"]);
// yin washe da dukkan nauyin
let text = "";
for (const entry of letters.entries()) {
  text += entry;
}

sai sai sai ci gaba da samun shi

kware

entries() hakan ana amfani dashi domin samun [key, value] na.

kamar yadda Set ba za a iya samun abin da ke kai tsaye,entries() hakan ya haɗa [value, value]。

hakan ya sa Set da Map amince.

linga

set.entries()

shigarwa

ba a da shi.

kwallon ciki

tani bayyana
Iterator kwallon da kuma aiki da Set

aiki da browsers

set.entries() wannan shine kwarewa na ECMAScript6 (ES6).

daga 2017 ga 6 watan, dukkan browsers na duniya suna amince da ES6 (JavaScript 2015):

Chrome Edge Firefox Safari Opera
Chrome 51 Edge 15 Firefox 54 Safari 10 Opera 38
2016 Yuni 2017 Yuni 2017 Yuli 2016 Yuli 2016 Yuli

Internet Explorer ba a ɗaɗa a cikin set.entries().

Ƙashe na bukatar: JavaScript Sets JavaScript Iterables Full JavaScript Set Reference