我怎樣才能在里面映射陣列?
array = [[{},{},{}],[{},{}],[{},],[{},{},{},{}]]
我試過
data.map((array) => {
console.log(array);
return (
array.map((doc) => <p>{doc}</p>)
);
})
uj5u.com熱心網友回復:
你可以使用flat然后map像這樣
const data = [[{value: 1},{value: 2},{value: 3}],[{value: 4},{value: 5}],[{value: 6}],[{value: 7},{value: 8},{value: 9},{value: 10}]]
const html = data.flat().map(d => `<p>${d.value}</p>`).join('')
const htmlReduce = data.reduce((res, item) => [...res, ...item], []).map(d => `<p>${d.value}</p>`).join('')
console.log(html, htmlReduce)
根據您的代碼
data.flat().map((doc, i) => <p key={i}>{doc}</p>)
對于舊瀏覽器
data.reduce((res, item) => [...res, ...item], []).map((doc, i) => <p key={i}>{doc}</p>)
轉載請註明出處,本文鏈接:https://www.uj5u.com/qukuanlian/480377.html
標籤:javascript 反应
