[英]Only one element is added to the array
該代碼應該將 6 個隨機元素從另一個數組添加到一個數組,但由於某種原因它只添加一次`
let [cubs, setcubs] = useState([
{id:1,title:1, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/1.png"},
{id:2,title:2, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/2.png"},
{id:3,title:3, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/3.png"},
{id:4,title:4, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/4.png"},
{id:5,title:5, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/5.png"},
{id:6,title:6, img:"https://www.zonkpro.ru/zonk/assets/dice/mini/6.png"},
])
let [cubikinapole, setcubikinapole] = useState([
])
function sheker(){
for(let i=0;i<6;i++){
let randomcub = Math.floor(Math.random() * (6 - 0) + 0)
let obj = {
id: new Date().valueOf(),
title: cubs[randomcub].title,
img: cubs[randomcub].img
}
setcubikinapole([...cubikinapole, obj])
}
}
`
嘗試了 push 方法,但它拋出錯誤
將值存儲在臨時數組中,直到循環完成,然后更新存儲
function sheker(){
const list = []
for(let i=0;i<6;i++){
let randomcub = Math.floor(Math.random() * (6 - 0) + 0)
let obj = {
id: new Date().valueOf(),
title: cubs[randomcub].title,
img: cubs[randomcub].img
}
list.push(obj)
}
setcubikinapole(list)
}
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